Fiber Sensor Photonics for Safety and Security- Realization of ultimate performance in fiber optic nerve systems -

• Project/Area Number: 16GS0202
• Research Category: Grant-in-Aid for Creative Scientific Research
• Allocation Type: Single-year Grants
• Research Institution: The University of Tokyo
• Principal Investigator: HOTATE Kazu The University of Tokyo, 大学院・工学系研究科, 教授 (60126159)
• Co-Investigator(Kenkyū-buntansha): 山下 真司 東京大学, 大学院・工学系研究科, 准教授 (40239968) ; 何 祖源 東京大学, 大学院・工学系研究科, 准教授 (70322047) ; 岸 眞人 東京大学, 大学院・工学系研究科, 助教 (00150285)
• Co-Investigator(Renkei-kenkyūsha): YAMASHITA Shinji 東京大学, 大学院・工学系研究科, 准教授 (40239968) ; HE Zuyuan 東京大学, 大学院・工学系研究科, 准教授 (70322047) ; KISHI Masato 東京大学, 大学院・工学系研究科, 助授 (00150285)
• Project Period (FY): 2004 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥344,110,000 (Direct Cost: ¥264,700,000、Indirect Cost: ¥79,410,000); Fiscal Year 2008: ¥63,700,000 (Direct Cost: ¥49,000,000、Indirect Cost: ¥14,700,000); Fiscal Year 2007: ¥66,820,000 (Direct Cost: ¥51,400,000、Indirect Cost: ¥15,420,000); Fiscal Year 2006: ¥68,770,000 (Direct Cost: ¥52,900,000、Indirect Cost: ¥15,870,000); Fiscal Year 2005: ¥70,980,000 (Direct Cost: ¥54,600,000、Indirect Cost: ¥16,380,000); Fiscal Year 2004: ¥73,840,000 (Direct Cost: ¥56,800,000、Indirect Cost: ¥17,040,000)
• Keywords: 光ファイバ / 光ファイバセンサ / スマート材料・構造 / 光センシング / 分布型センシング / 防災・危機管理技術 / 防災・危機管理技

Research Abstract

連続光波の相関を制御する独自技術により、光ファイバに沿う歪等の分布を測定する独自技術を提案・開発した。典型的な従来技術の性能を数桁凌ぐ、空間分解能1.6mmや測定速度1kHz を達成し、温度と歪の同時・分離計測等も実現した。本技術は、小型ジェット機に光ファイバ神経網を設置する共同研究に採用され、飛行時の動的・分布歪計測を実証した。

Research Products

• [Journal Article] Optical time-domain measurement ofBrillouin dynamic grating spectrum in apolarization-maintaining fiber (2009)
  • Author(s): K.-Y. Song、W. Zou, Z, He and K. Hotate
  • Journal Title: OSA OpticsLetters vol.34 Pages: 1381-1383
  • Peer Reviewed
• [Journal Article] Correlation-based distributed measurement ofdynamic grating spectrum generated instimulated Brillouin scattering in a polarizationmaintainingoptical fiber (2009)
  • Author(s): W. Zou, Z. He, K-Y. Song and K. Hotate
  • Journal Title: OSA Optics Letters vo.34 Pages: 1126-1128
  • Peer Reviewed
• [Journal Article] Long range andhigh resolution reflectometry by synthesis ofoptical coherence function at region beyond thecoherence length (2009)
  • Author(s): M. Kashiwagi and K. Hotate
  • Journal Title: IEICE Electronics Exp. vol.6 Pages: 497-503
  • Peer Reviewed
• [Journal Article] Polarizationbeat length distribution measurement in singlemodeoptical fibers with Brillouin opticalcorrelation-domain reflectometry (2009)
  • Author(s): Y. Mizuno, Z. He and K. Hotate
  • Journal Title: Appl. Phys.Exp. vol.2
  • Peer Reviewed
• [Journal Article] One-end-access high-speed distributed strainmeasurement with 13-mm spatial resolutionbased on Brillouin optical correlation-domainreflectometry (2009)
  • Author(s): Y. Mizuno, Z. He and K. Hotate
  • Journal Title: IEEE Photon. Technol. Lett. vol.21 Pages: 474-476
  • Peer Reviewed
• [Journal Article] Optical time-domain measurement of Brillouin dynamic grating spectrum in a polarization-maintaining fiber (2009)
  • Author(s): K. -Y. Song, W. Zou, Z, He, K. Hotate
  • Journal Title: OSA Optics Letters 34 Pages: 1381-1383
  • Peer Reviewed
• [Journal Article] Long range and high resolution reflectometry by synthesis of optical coherence function at region beyond the coherence length (2009)
  • Author(s): M. Kashiwagi, K. Hotate
  • Journal Title: IEICE Electronics Express 16 Pages: 497-503
  • NAID: 130000107533
  • Peer Reviewed
• [Journal Article] Correlation-based distributed measurement of dynamic grating spectrumgenerated in stimulated Brillouin scattering in a polarization-maintaining optical fiber (2009)
  • Author(s): W. Zou, Z. He, K. -Y. Song, K. Hotate
  • Journal Title: OSA Optics Letters 34 Pages: 1126-1128
  • Peer Reviewed
• [Journal Article] Polarization beat length distribution measurement in single-mode optical fibers with Brillouin optical correlation-domain reflectometry (2009)
  • Author(s): Y. Mizuno, Z. He, K. Hotate
  • Journal Title: Applied Physics Express 2
  • NAID: 10025085909
  • Peer Reviewed
• [Journal Article] One-end-access high-speed distributed strain measurement with 13-mm spatial resolution based on Brillouin optical correlation-domain reflectometry (2009)
  • Author(s): Y. Mizuno, Z. He, K. Hotate
  • Journal Title: IEEE Photonics Technology Letters 21 Pages: 474-476
  • Peer Reviewed
• [Journal Article] Complete discrimination of strain and temperature using Brillouin frequency shift and birefringence in a polarization-maintaining fiber (2009)
  • Author(s): W. Zou, Z. He, K. Hotate
  • Journal Title: OSA Optics Express 17 Pages: 1248-1255
  • Peer Reviewed
• [Journal Article] Completediscrimination of strain and temperature usingBrillouin frequency shift and birefringence in apolarization-maintaining fiber (2008)
  • Author(s): W. Zou, Z. He and K. Hotate
  • Journal Title: OSA Optics Express vol.17 Pages: 1248-1255
  • Peer Reviewed
• [Journal Article] Brillouin opticalcorrelation domain analysis in linearconfiguration (2008)
  • Author(s): K.-Y. Song and K. Hotate
  • Journal Title: IEEE Photon. Technol. Lett. vol.20 Pages: 2150-2152
  • Peer Reviewed
• [Journal Article] Investigation ofstrain- and temperature- dependences ofBrillouin frequency shifts in GeO_2-dopedoptical fibers (2008)
  • Author(s): W. Zou, Z. He and K. Hotate
  • Journal Title: J. of Lightwave Technol vol.26 Pages: 1854-1861
  • Peer Reviewed
• [Journal Article] Range-enlargement of simplified Brillouinoptical correlation domain analysis based on atemporal gating scheme (2008)
  • Author(s): K. Hotate, H. Arai and K.-Y. Song
  • Journal Title: SICE J. of Control,Meas., and System Integration v ol.1 Pages: 271-274
  • Peer Reviewed
• [Journal Article] Proposal of Brillouin optical correlationdomainreflectometry (BOCDR) (2008)
  • Author(s): Y. Mizuno, W. Zou, Z. He and K. Hotate
  • Journal Title: OSA Optics Express vol.16 Pages: 12148-12153
  • Peer Reviewed
• [Journal Article] Distributedstrain sensor based on dynamic grating inpolarization-maintaining erbium-doped fiber (2008)
  • Author(s): X. Fan, Z. He, and K. Hotate
  • Journal Title: OSA Opt. Lett. vol.33 Pages: 1647-1649
  • Peer Reviewed
• [Journal Article] Acoustic modalanalysis and control in w-shaped triple-layeroptical fibers with highly-germanium-dopedcore and F-doped inner cladding (2008)
  • Author(s): W. Zou, Z. He and K. Hotate
  • Journal Title: OSA Opt.Exp. vol.16 Pages: 10006-10017
  • Peer Reviewed
• [Journal Article] Proposal andexperimental verification of Bragg wavelengthdistribution measurement within a long-lengthFBG by synthesis of optical coherencefunction (2008)
  • Author(s): K. Hotate and K. Kajiwara
  • Journal Title: OSA Opt. Exp. vol.16 Pages: 7881-7887
  • Peer Reviewed
• [Journal Article] All-optical dynamic grating generation basedon Brillouin scattering in Polarizationmaintainingfiber (2008)
  • Author(s): K.-Y. Song, W. Zou, Z. He and K. Hotate
  • Journal Title: OSA Optics Lett. vol.33 Pages: 926-938
  • Peer Reviewed
• [Journal Article] Gain-assisted superluminal propagation intellurite glass fiber based on stimulatedBrillouin scattering (2008)
  • Author(s): K.-Y. Song, K.S. Abedin, and K. Hotate
  • Journal Title: OSA Optics Express vol.16 Pages: 225-230
  • Peer Reviewed
• [Journal Article] Brillouin optical correlation domain analysis in linear configuration (2008)
  • Author(s): K. -Y. Song, K. Hotate
  • Journal Title: IEEE Photonics Technology Letters 20 Pages: 2150-2152
  • Peer Reviewed
• [Journal Article] Investigation of strain- and temperature- dependences of Brillouin frequency shifts in GeO_2-doped optical fibers (2008)
  • Author(s): W. Zou, Z. He, K. Hotate
  • Journal Title: J. of Lightwave Technology 26 Pages: 1854-1861
  • Peer Reviewed
• [Journal Article] Range-enlargement of simplified Brillouin optical correlation domain analysis based on a temporal gating scheme <Invited> (2008)
  • Author(s): K. Hotate, H. Arai, K. -Y. Song
  • Journal Title: SICE J. of Control, Measurement, and System Integration 1 Pages: 271-274
  • NAID: 10024291984
  • Peer Reviewed
• [Journal Article] Proposal of Brillouin optical correlation-domain reflectometry (BOCDR) (2008)
  • Author(s): Y. Mizuno, W. Zou, Z. He, K. Hotate
  • Journal Title: OSA Optics Express 16 Pages: 12148-12153
  • Peer Reviewed
• [Journal Article] A novel distributed strain sensor based on dynamic grating in polarization-maintaining erbium-doped fiber (2008)
  • Author(s): X. Fan, Z. He, K. Hotate
  • Journal Title: OSA Optics Letters 23 Pages: 1647-1649
  • Peer Reviewed
• [Journal Article] Acoustic modal analysis and control in w-shaped triple-layer optical fibers with highly-germanium-doped core and F-doped inner cladding (2008)
  • Author(s): W. Zou, Z. He, K. Hotate
  • Journal Title: OSA Optics Express 16 Pages: 10006-10017
  • Peer Reviewed
• [Journal Article] Proposal and experimental verification of Bragg wavelength distribution measurement within a long-length FBG by synthesis of optical coherence function (2008)
  • Author(s): K. Hotate, K. Kajiwara
  • Journal Title: OSA Optics Express 16 Pages: 7881-7887
  • Peer Reviewed
• [Journal Article] All-optical dynamic grating generation based on Brillouin scattering in Polarization-maintaining fiber (2008)
  • Author(s): K. -Y. Song, W. Zou, Z. He, K. Hotate
  • Journal Title: OSA Optics Letters 33 Pages: 926-938
  • Peer Reviewed
• [Journal Article] 光波コヒーレンス関数の合成技術による光ファイバー神経網の高機能化 (2008)
  • Author(s): 保立和夫
  • Journal Title: 光学 37 Pages: 926-938
  • NAID: 10024339653
  • Peer Reviewed
• [Journal Article] (2008)
  • Author(s): 保立和夫(藍光郎, 編)
  • Journal Title: 光ファイバセンサ網の光測定「次世代センサハンドブックI編基礎9章光ファイバセンサ9. 4光ファイバジャイロ(培風館)
• [Journal Article] (2008)
  • Author(s): 保立和夫(藍光郎, 編)
  • Journal Title: 光ファイバセンサ網の光測定「次世代センサハンドブック:I編基礎9章光ファイバセンサ9. 6次世代光ファイバセンサ技術9. 6. 1分布型センシング(培風館)
• [Journal Article] Gain-assisted superluminal propagation in tellurite glass fiber based on stimulated Brillouin scattering (2008)
  • Author(s): K. -Y. Song, K. S. Abedin, and K. Hotate
  • Journal Title: OSA Optics Express 16(1) Pages: 225-230
  • Peer Reviewed
• [Journal Article] Realization of all-fiber tunable filter and high optical power blocker using thinned fiber Bragg gratings coated with carbon nanotubes (2008)
  • Author(s): K. T. Dinh, Y. W. Song S. Y. Set and S. Yamashita
  • Journal Title: Applied Physics Express 12008(掲載確定)
  • NAID: 10024292502
  • Peer Reviewed
• [Journal Article] Single-walled carbon nanotubes for high-energy optical pulse formation (2008)
  • Author(s): Y. W. Song, S. Yamashita and S. Maruyama
  • Journal Title: Applied Physics Letters 92(2)
  • Peer Reviewed
• [Journal Article] Distributed fiberstrain sensor at 1 kHz sampling rate based onBrillouin optical correlation domain analysis (2007)
  • Author(s): K.-Y. Song and K. Hotate
  • Journal Title: IEEE Photon. Technol. Lett. vol.19 Pages: 1928-1930
  • Peer Reviewed
• [Journal Article] Dependence of Brillouin frequency shift inoptical fibers on draw-induced residual elasticand inelastic strains (2007)
  • Author(s): W. Zou, Z. He, A. D. Yablon and K. Hotate
  • Journal Title: IEEE Photon. Technol Lett. vol.19 Pages: 1389-1391
  • Peer Reviewed
• [Journal Article] Effects ofintensity modulation of light source onBrillouin optical correlation domain analysis (2007)
  • Author(s): K.-Y. Song, Z. He and K. Hotate
  • Journal Title: J.of Lightwave Technol vol.25 Pages: 1238-1246
  • Peer Reviewed
• [Journal Article] Stimulated Brillouin scattering and its dependenceson strain and temperature in a high-deltaoptical fiber with F-doped depressed innercladding (2007)
  • Author(s): W. Zou, Z. He, M. Kishi and K. Hotate
  • Journal Title: Opt. Lett. vol.32, Pages: 600-602
• [Journal Article] 25 GHz bandwidthBrillouin slow light in optical fibers (2007)
  • Author(s): K.-Y. Song and K. Hotate
  • Journal Title: OSA Opt.Lett. vol.32 Pages: 217-219
  • Peer Reviewed
• [Journal Article] Realization ofchannel-spacing-tunable multiwavelength fiberlaser by tuning chirp rate of strongly chirpedsampled fiber Bragg gratings (2007)
  • Author(s): K. T. Dinh and S. Yamashita
  • Journal Title: Jpn J. of Appl.Phys Part 1, vol.46 Pages: 3448-3451
  • Peer Reviewed
• [Journal Article] Distributed fiber strain sensor with 1 kHz sampling rate based on Brillouin optical correlation domain analysis (2007)
  • Author(s): K. -Y. Song and K. Hotate
  • Journal Title: IEEE Photonics Technology Letters 19(23) Pages: 1928-1930
  • Peer Reviewed
• [Journal Article] Dependence of Brillouin frequency shift in optical fibers on draw-induced residual elastic and inelastic strains (2007)
  • Author(s): W. Zou, Z. He, A. D. Yablon and K. Hotate
  • Journal Title: IEEE Photonics Technology Letters 19(18) Pages: 1389-1391
  • Peer Reviewed
• [Journal Article] Effects of intensity modulation of light source on Brillouin optical correlation domain analysis (2007)
  • Author(s): K. -Y. Song, Z. He and K. Hotate
  • Journal Title: J. of Lightwave Technology 25(5) Pages: 1238-1246
  • Peer Reviewed
• [Journal Article] 痛みの分かる材料・構造のための光ファイバ神経網技術 (2007)
  • Author(s): 保立 和夫
  • Journal Title: 計測と制御 46(8) Pages: 591-597
  • NAID: 10027903064
  • Peer Reviewed
• [Journal Article] 25-GHz-bandwidth Brillouin slow light in optical fibers (2007)
  • Author(s): K.-Y.Song, K.Hotate
  • Journal Title: OSA Optics Letters 32・3 Pages: 217-219
• [Journal Article] Stimulated Brillouin scattering and its dependences on strain and temperature in a high-delta optical fiber with F-doped depressed inner-cladding (2007)
  • Author(s): W.Zou, Z.He, M.Kishi, K.Hotate
  • Journal Title: OSA Optics Letters 32・6 Pages: 600-602
• [Journal Article] Passively mode-locked lasers with 17.2-GHz fundamental-mode repetition rate pulsed by Carbon nanotubes (2007)
  • Author(s): Y.W.Song, S.Yamashita, C.S.Goh, S.Y.Set
  • Journal Title: OSA Optics Letters 32・4 Pages: 430-432
• [Journal Article] Suppressionof signal fluctuation in Brillouin opticalcorrelation domain analysis system usingpolarization diversity scheme (2006)
  • Author(s): K. Hotate, K. Abe and K.-Y. Song
  • Journal Title: IEEE Photon.Technol. Lett. vol.18 Pages: 2653-2655
  • Peer Reviewed
• [Journal Article] Fiber Sensor Technology Today (2006)
  • Author(s): K. Hotate
  • Journal Title: Jpn. J. of Appl. Physics, special Issue forMicrooptics vol.45 Pages: 6616-6625
  • Peer Reviewed
• [Journal Article] Twodimensionalfinite-element modal analysis ofBrillouin gain spectra in optical fibers (2006)
  • Author(s): W. Zou, Z. He and K. Hotate
  • Journal Title: IEEEPhoton. Technol. Let. vol.18 Pages: 2487-2489
  • Peer Reviewed
• [Journal Article] Distributedstrain measurement with millimeter-orderspatial resolution based on Brillouin opticalcorrelation domain analysis (2006)
  • Author(s): K.-Y. Song, Z. He and K. Hotate
  • Journal Title: OSA Opt. Lett. vol.31 Pages: 2526-2528
  • Peer Reviewed
• [Journal Article] "High spatial resolution fiberopticdistributed lateral-stress sensing bystepwise frequency modulation of a superstructure grating distributed Bragg reflectorlaser diode (2006)
  • Author(s): K. Hotate, K. Makino, Z. He, M. Ishikawa and Y. Yoshikuni
  • Journal Title: IEEE J. of Lightwave Technol vol.24 Pages: 2733-2740
  • Peer Reviewed
• [Journal Article] Synthesis of opticalcoherence function and its applications indistributed and multiplexed optical sensing (2006)
  • Author(s): K. Hotate and Z. He
  • Journal Title: IEEE J. of Lightwave Technol vol.24 Pages: 2541-2557
  • Peer Reviewed
• [Journal Article] Highly efficientBurillouin slow and fast light using As2Se3chalcogenide fiber (2006)
  • Author(s): K.-Y. Song, K.-S. Abedin, K. Hotate, M.-G. Herraez and L. Thevenaz
  • Journal Title: OSA Optics Express vol.14 Pages: 5860-5865
  • Peer Reviewed
• [Journal Article] Optimizationof Brillouin optical correlation domainanalysis system based on intensity modulationscheme (2006)
  • Author(s): K.-Y. Song, Z. He and K. Hotate
  • Journal Title: OSA Opt. Ex vol.14 Pages: 4256-4263
  • Peer Reviewed
• [Journal Article] Wide and fastwavelength-tunable mode-locked fiber laserbased on dispersion tuning (2006)
  • Author(s): S. Yamashita and M. Asano
  • Journal Title: OSA Opt. Exp vol.14 Pages: 9299-9306
  • Peer Reviewed
• [Journal Article] High-speed high-reflectance-resolution reflectometryby synthesis of optical coherencefunction (2006)
  • Author(s): Z. He, T. Tomizawa, and K. Hotate
  • Journal Title: IEICE Electron. Exp vol.3 Pages: 122-128
  • Peer Reviewed
• [Journal Article] Enlargement ofmeasurement range in a correlation-basedBrillouin sensing system using double lock-inamplifiers and a single-sideband modulator (2006)
  • Author(s): K.-Y. Song and K. Hotate
  • Journal Title: IEEE Photon.Technol. Lett. vol.18 Pages: 499-501
  • Peer Reviewed
• [Journal Article] Novel strainandtemperature-sensing mechanism based ondynamic grating in polarization-maintainingerbium-doped fiber (2006)
  • Author(s): X. Fan, Z. He, and K. Hotate
  • Journal Title: OSA Opt. Exp vol.14 Pages: 556-561
  • Peer Reviewed
• [Journal Article] High-speed high-reflectance-resolution reflectometry by synthesis of optical coherence function (2006)
  • Author(s): Z.He, T.Tomizawa, K.Hotate
  • Journal Title: IEICE Electronics Express 13・7 Pages: 122-128
  • NAID: 130000088379
• [Journal Article] Optimization of Brillouin optical correlation domain analysis system using intensity modulation scheme (2006)
  • Author(s): K.-Y.Song, Z.He, K.Hotate
  • Journal Title: OSA Optics Express 14・10 Pages: 4256-4263
• [Journal Article] Highly efficient Burillouin slow and fast light using As2Se3 chalcogenide fiber,"OSA Optics Express (2006)
  • Author(s): K.-Y.Song, K.-S.Abedin, K.Hotate, M.-G.Herraez, L.Thevenaz
  • Journal Title: OSA Optics Express 14・13 Pages: 5860-5865
• [Journal Article] Synthesis of optical coherence function and its applications in distributed and multiplexed optical sensing (2006)
  • Author(s): K.Hotate, Z.He
  • Journal Title: IEEE J. of Lightwave Technology 24・7 Pages: 2541-2557
• [Journal Article] High spatial resolution fiber optic distributed lateral stress sensing by stepwise frequency modulation of an super structure grating distributed Bragg reflector laser diode (2006)
  • Author(s): K.Hotate, K.Makino, Z.He, M.Ishikawa, Y.Yoshikuni
  • Journal Title: IEEE J. of Light wave Technology 24・7 Pages: 2733-2740
• [Journal Article] Distributed strain measurement with millimeter-order spatial resolution based on Brillouin optical correlation domain analysis (2006)
  • Author(s): K.-Y.Song, Z.He, K.Hotate
  • Journal Title: OSA Optics Letters 31・17 Pages: 2526-2528
• [Journal Article] Two-dimensional finite element model analysis of Brillouin gain spectra in optical fibers (2006)
  • Author(s): W.Zou, Z.He, K.Hotate
  • Journal Title: IEEE Photonics Technology Letters 18・22 Pages: 2487-2489
• [Journal Article] Fiber Sensor Technology Today (2006)
  • Author(s): K.Hotate
  • Journal Title: Jpn. J. of Applied Physics 45・8 Pages: 6616-6625
• [Journal Article] Suppression of signal fluctuation in Brillouin optical correlation domain analysis system using polarization diversity scheme (2006)
  • Author(s): K.Hotate, K.Abe, K.-Y.Song
  • Journal Title: IEEE Photonics Technology Letters 18・24 Pages: 2653-2655
• [Journal Article] Channel spacing-tunable sampled fiber Bragg grating by linear chirp and its application to multiwavelegnth fiber laser (2006)
  • Author(s): S.Yamashita, M.Yokooji
  • Journal Title: Optics Communications 263・1 Pages: 42-46
• [Journal Article] Wide and fast wavelength-tunable mode-locked fiber laser based on dispersion tuning (2006)
  • Author(s): S.Yamashita, M.Asano
  • Journal Title: OSA Optics Express 14・20 Pages: 9299-9306
• [Journal Article] Novel strain-and temperature-sensing mechanism based on dynamic grating in polarization-maintaining Erbium-doped fiber (2006)
  • Author(s): X.Fan
  • Journal Title: Optics Express 14・2 Pages: 556-561
• [Journal Article] Enlargement of measurement range in a correlation-based Brillouin sensing system using double lock-in amplifiers and a single-sideband modulator (2006)
  • Author(s): K.-Y.Song
  • Journal Title: IEEE Photonics Technology Letters 18・3 Pages: 499-501
• [Journal Article] High-speed high-reflectance-resolution reflectometry by synthe-sis of optical coherence function (2006)
  • Author(s): Z.He
  • Journal Title: IEICE Electronics Express 3・6
• [Journal Article] Synthesis of optical coherence function and its applications in distributed and multiplexed optical sensing(Invited) (2006)
  • Author(s): K.Hotate
  • Journal Title: IEEE Journal of Lightwave Technology 24・6
• [Journal Article] High spatial resolution fiber optic distributed lateral stress sensing by stepwise frequency modulation of an super structure grating distributed Bragg reflector diode (2006)
  • Author(s): K.Hotate
  • Journal Title: IEEE Journal of Lightwave Technology 24・6
• [Journal Article] Bandwidth-adjustable dynamic grating inErbium-doped fiber by synthesis of opticalcoherence function (2005)
  • Author(s): X. Fan, Z. He, Y. Mizuno and K. Hotate
  • Journal Title: OSA Opt. Exp vol.13 Pages: 5756-5761
  • Peer Reviewed
• [Journal Article] Fiber-opticdistributed strain sensing system by Brillouinoptical correlation domain analysis with asimple and accurate time-division pump-probegeneration scheme (2005)
  • Author(s): K. Hotate and T. Yamauchi
  • Journal Title: Japanes J. of Appl. Phys vol.44
  • Peer Reviewed
• [Journal Article] Expansionof spatial measurement range by use of verniereffect in multiplexed fibre Bragg grating strainsensor with synthesis of optical coherencefunction (2005)
  • Author(s): M. Enyama, Z. He, and K. Hotate
  • Journal Title: Meas. Sci. and Technol vol.16 Pages: 977-983
  • Peer Reviewed
• [Journal Article] A novel distributedfiber-optic strain sensor by localizingdynamic grating in polarization maintainingErbium-doped fiber : Proposal and theoreticalanalysis (2005)
  • Author(s): X. Fan, Z. He and K. Hotate
  • Journal Title: Jpn. J. of Appl. Physics vol.44 Pages: 1101-1106
  • Peer Reviewed
• [Journal Article] MultiwavelengthEr-doped fiber ring laser incorporating highlynonlinear fiber (2005)
  • Author(s): S. Yamashita and Y. Inoue
  • Journal Title: Jpn. J. of Appl. Phys vol.44
  • Peer Reviewed
• [Journal Article] Fiber-optic distributed strain sensing system by Brillouin optical correlation domain analysis with a simple and accurate time-division pump-probe generation scheme. (2005)
  • Author(s): K.Hotate
  • Journal Title: Japanese Journal of Applied Physics 44・32
  • NAID: 10016681796
• [Journal Article] Bandwidth dynamic grating in Erbium-doped fiber by synthesis of optical coherence function (2005)
  • Author(s): X.Fan
  • Journal Title: Optics Express 13・15 Pages: 5766-5761
• [Journal Article] コヒーレンス関数の合成による高空間分解能力分布型光ファイバセンサ (2005)
  • Author(s): 保立 和夫
  • Journal Title: レーザー研究 33・9 Pages: 571-576
• [Journal Article] Expansion of spatial measurement range by use of vernier effect in multiplexed fibre Bragg grating strain sensor with synthesis of optical coherence function (2005)
  • Author(s): M.Enyama, Z.He, K.Hotate
  • Journal Title: Measurement Science and Technology 16 Pages: 977-983
• [Journal Article] A Novel Distributed Fiber-Optic Strain Sensor by Localizing Dynamic Grating in Polarization Maintaining Erbium-Doped Fiber : Proposal and Theoretical Analysis (2005)
  • Author(s): X.Fan, Z.He, K.Hotate
  • Journal Title: Japanese Journal of Applied Physics 44・2 Pages: 1101-1106
  • NAID: 10014419383
• [Journal Article] Elongation ofmeasurement range by successively shiftingmeasurement window in a high spatialresolution reflectometry for optical subscribernetworks by synthesis of optical coherencefunction (2004)
  • Author(s): M. Kashiwagi and K. Hotate
  • Journal Title: Meas. Sci. and Tec 15 Pages: 1512-1518
  • Peer Reviewed
• [Journal Article] Frequency-shifted multiwavelength FBG lasersensor (2004)
  • Author(s): S. Yamashita, T. Baba and K. Kashiwagi
  • Journal Title: Jpn. J. of Appl.Physics vol.43 Pages: 8322-8324
  • Peer Reviewed
• [Journal Article] High-reflectance-resolution opticalreflectometry by synthesis of optical coherencefunction (2004)
  • Author(s): Z. He, S.Yoshiyama , M, Enyama and K. Hotate
  • Journal Title: Jpn. J. of Appl. Physics vol.44
  • Peer Reviewed
• [Journal Article] FBG laser sensorwith intracavity dispersive fiber based on modelockingfrequency interrogation (2004)
  • Author(s): S. Yamashita and A. Inaba
  • Journal Title: Meas. Sci.and Technol vol 15, Pages: 1536-1538
  • Peer Reviewed
• [Journal Article] High-Reflectance-Resolution Optical Reflectometry by Synthesis of Optical Coherence Function (2004)
  • Author(s): Z.He, S.Yoshiyama, M.Enyama, K.Hotate
  • Journal Title: Japanese Journal of Applied Physics 44・3A
• [Journal Article] Elongation of Measurement Range by Successively Shifting Measurement Window in a High Spatial Resolution Reflectometry for Optical Subscriber Networks by Synthesis of Optical Coherence Function (2004)
  • Author(s): M.Kashiwagi, K.Hotate
  • Journal Title: Measurement Science and Technology 15・8 Pages: 1512-1518
• [Journal Article] Dynamic and random-access strain measurement by fiber Bragg gratings with synthesis of optical coherence function. <Invited> (2004)
  • Author(s): M.Enyama, K.Hotate
  • Journal Title: SPIE Optics East 5589 Pages: 144-153
• [Journal Article] Fiber optic nerve systems for smart materials and smart structures <Invited> (2004)
  • Author(s): Kazuo Hotate
  • Journal Title: SPIE Optics East 5604 Pages: 1-10
• [Journal Article] Measurementrange enlargement in Brillouin opticalcorrelation-domain reflectometry based ontemporal gating scheme
  • Author(s): Y. Mizuno, Z. He and K. Hotate
  • Journal Title: OSA Optics Letters vol17 Pages: 9040-9046
  • Peer Reviewed
• [Presentation] Fiber-Optic Nerve Systems for Safety and Security <Invited> (2009)
  • Author(s): K. Hotate, Z. He
  • Organizer: 4th Optoelectronics and Communications Conference (OECC2009
  • Place of Presentation: Hong Kong
  • Year and Date: 2009-07-16
• [Presentation] Optical Time-Domain Measurement of Brillouin Dynamic Grating Spectrum in a Polarization Maintaining Fiber (2009)
  • Author(s): K. -Y. Song, W. Zou, Z. He, K. Hotate
  • Organizer: CLEO/IQEC2009
  • Place of Presentation: Maryland
  • Year and Date: 2009-06-01
• [Presentation] Realization of High Distributed Sensing Speed Based on Brillouin Optical Correlation Domain Analysis (2009)
  • Author(s): W. Zou, Z. He, K. Hotate
  • Organizer: CLEO/IQEC2009
  • Place of Presentation: Maryland
  • Year and Date: 2009-06-01
• [Presentation] High-Speed Entire-Length Measurement of Strain Distribution by Brillouin Optical Correlation-Domain Reflectometry Based on Polarization Scrambling Scheme (2009)
  • Author(s): Y. Mizuno, Z. He, K. Hotate
  • Organizer: CLEO/IQEC2009
  • Place of Presentation: Maryland
  • Year and Date: 2009-06-01
• [Presentation] Distributed Sensing in a Long-length FBG Based on Synthesis of Optical Coherence Function with 1-kHz Sampling Rate (2009)
  • Author(s): K. Kajiwara, K. Hotate
  • Organizer: CLEO/IQEC2009
  • Place of Presentation: Maryland
  • Year and Date: 2009-06-01
• [Presentation] Polarization-noise Suppression by Twice 90° Polarization-axis Rotated Splicing in Resonator Fiber Optic Gyroscope (2009)
  • Author(s): X. Wang, Z. He, K. Hotate
  • Organizer: CLEO/IQEC2009
  • Place of Presentation: Maryland
  • Year and Date: 2009-06-01
• [Presentation] Fiber Optic Nerve Systems forSafety and Security (2009)
  • Author(s): K. Hotate
  • Organizer: SPIE Defense, Seccurity,and Sensing
  • Place of Presentation: Orland
  • Year and Date: 2009-04-15
• [Presentation] Fiber Optic Nerve Systems for Safety and Security <Keynote><Invited> (2009)
  • Author(s): K. Hotate
  • Organizer: SPIE Defense, Seccurity, and Sensing
  • Place of Presentation: Orlando
  • Year and Date: 2009-04-15
• [Presentation] ノイズフロア補正による偏波スクランブリングを用いたBOCDRのS/N比の向上 (2009)
  • Author(s): 水野洋輔, 鄒衛文, 何祖源, 保立和夫
  • Organizer: 第56回応用物理学関係連合講演会
  • Place of Presentation: つくば
  • Year and Date: 2009-04-02
• [Presentation] 光波コヒーレンス関数の合成法を利用した光ファイバ神経網<招待講演> (2009)
  • Author(s): 保立和夫, 何祖源
  • Organizer: 第56回応用物理学関係連合講演会
  • Place of Presentation: つくば
  • Year and Date: 2009-03-30
• [Presentation] Polarization beat length distribution measurement in single-mode optical fibers with Brillouin optical correlation-domain reflectometry (2009)
  • Author(s): Y. Mizuno, Z. He, K. Hotate
  • Organizer: OFC/NFOEC2009
  • Place of Presentation: San Diego
  • Year and Date: 2009-03-25
• [Presentation] Brillouin-Based Random Fiber Optic Delay Line (2009)
  • Author(s): W. Zou, Z. He, K. Hotate
  • Organizer: OFC/NFOEC2009
  • Place of Presentation: San Diego
  • Year and Date: 2009-03-25
• [Presentation] Wide and fast wavelength-tunable mode-locked fiber lasers based on dispersion tuning at 1. 5μm and 1. 3μm bands (2009)
  • Author(s): Y. Nakazaki, S. Yamashita
  • Organizer: OFC/NFOEC2009
  • Place of Presentation: San Diego
  • Year and Date: 2009-03-25
• [Presentation] ブリルアン光相関領域リフレクトメトリによるシングルモード光ファイバ中の偏波ビート長の分布測定 (2009)
  • Author(s): 水野洋輔, 何祖源, 保立和夫
  • Organizer: 2009年度電子情報通信学会総合大会
  • Place of Presentation: 松山
  • Year and Date: 2009-03-20
• [Presentation] 偏波スクランブリングを用いたブリルアン光相関領域リフレクトメトリによる歪分布全長測定の安定化 (2009)
  • Author(s): 水野洋輔, 何祖源, 保立和夫
  • Organizer: 2009年度電子情報通信学会総合大会
  • Place of Presentation: 松山
  • Year and Date: 2009-03-20
• [Presentation] 動的な変調機構の提案によるSymplified BOCDAシステムの分布測定高速化 (2009)
  • Author(s): 久野裕之, 保立和夫
  • Organizer: 2009年度電子情報通信学会総合大会
  • Place of Presentation: 松山
  • Year and Date: 2009-03-20
• [Presentation] 低コヒーレンスブリルアン光相関領域解析法のS/N比の向上 (2009)
  • Author(s): 保立和夫, 千種健二, 水野洋輔, 岸眞人, 何祖源, 保立和夫
  • Organizer: 2009年度電子情報通信学会総合大会
  • Place of Presentation: 松山
  • Year and Date: 2009-03-20
• [Presentation] Brillouin-Based Random Fiber Optic Delay Line (2009)
  • Author(s): 鄒衛文, 何祖源, 保立和夫
  • Organizer: 2009年度電子情報通信学会総合大会
  • Place of Presentation: 松山
  • Year and Date: 2009-03-19
• [Presentation] 長尺FBGによる分布型センサの高速測定の実証 (2009)
  • Author(s): 梶原康嗣, 保立和夫
  • Organizer: 2009年度電子情報通信学会総合大会
  • Place of Presentation: 松山
  • Year and Date: 2009-03-19
• [Presentation] Evaluation on Polarization-Noise Suppression by Twice 90° Polarization-Axis Rotated Splicing in Resonator Fiber Optic Gyroscope (2009)
  • Author(s): 王希晶, 何祖源, 保立和夫
  • Organizer: 2009年度電子情報通信学会総合大会
  • Place of Presentation: 松山
  • Year and Date: 2009-03-19
• [Presentation] 埋め込み光ファイバを用いたBOCDAによるCFRP積層板のボルト孔周りの損傷検知 (2009)
  • Author(s): 中村達也, 灘部岳晃, 水口周, 武田展雄, 岸眞人, 保立和夫
  • Organizer: JCOM-38-材料・構造の複合化と機能化に関するシンポジウム-
  • Place of Presentation: 京都
  • Year and Date: 2009-03-10
• [Presentation] 長尺FBG内分布センシングの精度向上と高速化に関する検討 (2009)
  • Author(s): 梶原康嗣, 保立和夫
  • Organizer: 電子情報通信学会光エレクトロニクス研究会
  • Place of Presentation: 東京
  • Year and Date: 2009-03-06
• [Presentation] Stable entire-length measurement of fiber strain distribution by Brillouin optical correlation-domain reflectometry based on polarization scrambling scheme (2009)
  • Author(s): 水野洋輔, 何祖源, 保立和夫
  • Organizer: 電子情報通信学会光エレクトロニクス研究会
  • Place of Presentation: 東京
  • Year and Date: 2009-03-06
• [Presentation] Fiber-Optic NerveSystems for Safety and Security (2009)
  • Author(s): K. Hotate and Z. He
  • Organizer: 4thOptoelectronics and Communications Conf.,Hong Kong
  • Place of Presentation: Hong Kong
• [Presentation] 光ヘテロダイン検波を用いたブリルアン光相関領域リフレクトメトリ (2008)
  • Author(s): 水野洋輔, 鄒衛文, 何祖源, 保立和夫
  • Organizer: 電子情報通信学会光ファイバ応用技術研究会
  • Place of Presentation: 湯布院
  • Year and Date: 2008-11-20
• [Presentation] Reduction of Backscattering Induced Noise by Carrier Suppression in Waveguide-type Optical Passive Ring Resonator Gyro (2008)
  • Author(s): 馬慧蓮, 何祖源, 保立和夫
  • Organizer: 電子情報通信学会光ファイバ応用技術研究会
  • Place of Presentation: 湯布院
  • Year and Date: 2008-11-20
• [Presentation] Dynamic Grating inOptical Fiber : Synthesis and SensingApplications (2008)
  • Author(s): Z. He and K. Hotate
  • Organizer: 1st Asia-Pacific Optical FiberSensors Conference (APOS-2008)
  • Place of Presentation: Chengdu,China
  • Year and Date: 2008-11-08
• [Presentation] Dynamic Grating in Optical Fiber: Synthesis and Sensing Applications <Invited> (2008)
  • Author(s): Z. He, K. Hotate
  • Organizer: 1st Asia-Pacific Optical Fiber Sensors Conference (APOS-2008)
  • Place of Presentation: Chengdu, China
  • Year and Date: 2008-11-08
• [Presentation] Evaluation of output error in ring resonator fiber optic gyroscope with twice 90° polarization axis rotated splicing (2008)
  • Author(s): 王希晶, 何祖源, 保立和夫
  • Organizer: 応用物理学会第42回光波センシング技術研究会
  • Place of Presentation: 東京
  • Year and Date: 2008-10-10
• [Presentation] ブリルアン光相関領域リフレクトメトリによるシングルモード光ファイバ中のビート長の分布測定 (2008)
  • Author(s): 水野洋輔, 何祖源, 保立和夫
  • Organizer: 応用物理学会第42回光波センシング技術研究会
  • Place of Presentation: 東京
  • Year and Date: 2008-10-10
• [Presentation] Fiber Optic Nerve Systems forSmart Materials and Smart Structures (2008)
  • Author(s): K. Hotatee
  • Organizer: IEEETopical Meeting on Microwave Photonics(NWP2008)
  • Place of Presentation: Gold Coast
  • Year and Date: 2008-10-03
• [Presentation] Fiber Optic Nerve Systems for Smart Materials and Smart Structures <Invited> (2008)
  • Author(s): K. Hotate
  • Organizer: IEEE Topical Meeting on Microwave Photonics (NWP2008)
  • Place of Presentation: Gold Coast
  • Year and Date: 2008-10-01
• [Presentation] Enlargement of measurement range of Brillouin optical correlation-domain reflectometry based on temporal gating scheme (2008)
  • Author(s): Y. Mizuno, Z. He, K. Hotate
  • Organizer: ECOC2008
  • Place of Presentation: Brusseles, Belgium
  • Year and Date: 2008-09-24
• [Presentation] Fiber-optic Brillouin distributed discrimination of strain and temperature with 11-cm spatial resolution using correlation-based continuous-wave technique (2008)
  • Author(s): W. Zou, Z. He, K. Hotat
  • Organizer: ECOC2008
  • Place of Presentation: Brusseles, Belgium
  • Year and Date: 2008-09-24
• [Presentation] 時間ゲート法を用いたBOCDRの測定レンジの拡大 (2008)
  • Author(s): 水野洋輔, 何祖源, 保立和夫
  • Organizer: 2008年度電子情報通信学会ソサイエティ大会
  • Place of Presentation: 東京
  • Year and Date: 2008-09-19
• [Presentation] 光ヘテロダイン検波を用いたブリルアン光相関領域リフレクトメトリ (2008)
  • Author(s): 水野洋輔, 何祖源, 保立和夫
  • Organizer: 2008年度電子情報通信学会ソサイエティ大会
  • Place of Presentation: 東京
  • Year and Date: 2008-09-19
• [Presentation] シミュレーションによる長尺FBGセンサの特性評価 (2008)
  • Author(s): 梶原康嗣, 保立和夫
  • Organizer: 2008年度電子情報通信学会ソサイエティ大会
  • Place of Presentation: 東京
  • Year and Date: 2008-09-19
• [Presentation] Simplified BOCDAシステム高性能化のための変調信号波形補償とその評価 (2008)
  • Author(s): 保立和夫, 久野裕之
  • Organizer: 2008年度電子情報通信学会ソサイエティ大会
  • Place of Presentation: 東京
  • Year and Date: 2008-09-19
• [Presentation] 光ファイバ中におけるダイナミッククレーディンクの合成とセンシング応用<招待講演> (2008)
  • Author(s): 何祖源, 保立和夫
  • Organizer: 2008年度電子情報通信学会ソサイエティ大会
  • Place of Presentation: 東京
  • Year and Date: 2008-09-18
• [Presentation] Experimental Characterization of Ring Resonator Using Photonic Bandgap Fiber (2008)
  • Author(s): 王希晶, 何祖源, 川西悟基, 保立和夫
  • Organizer: 2008年度電子情報通信学会ソサイエティ大会
  • Place of Presentation: 東京
  • Year and Date: 2008-09-17
• [Presentation] Fiber-Optic Brillouin distributed discrimination of strain and temperature using correlation-based continuous-wave technique (2008)
  • Author(s): 鄒衛文, 何祖源, 保立和夫
  • Organizer: 2008年度電子情報通信学会ソサイエティ大会
  • Place of Presentation: 東京
  • Year and Date: 2008-09-16
• [Presentation] ブリルアン光相関領域リフレクトメトリによるリアルタイム歪分布測定の実証 (2008)
  • Author(s): 水野洋輔, 何祖源, 保立和夫
  • Organizer: 第69回応用物理学会学術講演会
  • Place of Presentation: 名古屋
  • Year and Date: 2008-09-04
• [Presentation] Fiber-Optic Brillouin Distributed Discrimination of Strain and Temperature Using Correlation-Based Continuous-Wave Technique (2008)
  • Author(s): 鄒衛文, 何祖源, 保立和夫
  • Organizer: 電子情報通信学会光ファイバ応用技術研究会
  • Place of Presentation: 札幌
  • Year and Date: 2008-08-28
• [Presentation] 光波コヒーレンス関数の合成法による長尺FBGセンサのシミュレーションによる性能評価 (2008)
  • Author(s): 梶原康嗣, 保立和夫
  • Organizer: 電子情報通信学会光ファイバ応用技術研究会
  • Place of Presentation: 札幌
  • Year and Date: 2008-08-28
• [Presentation] Rotation Experiment of Ring Resonator Fiber Optic Gyroscope with a Digital Controller (2008)
  • Author(s): 王希晶, 何祖源, 保立和夫
  • Organizer: 電子情報通信学会光ファイバ応用技術研究会
  • Place of Presentation: 札幌
  • Year and Date: 2008-08-28
• [Presentation] Enhancement of BOCDA systems for aircraft health monitoring (2008)
  • Author(s): Y. Kumagai, S. Matsuura, S. Adachi, K. Hotate
  • Organizer: Intl. Conf. on Instrumentation Control and Information Technology (SICE annual Conf. 2008)
  • Place of Presentation: Tokyo
  • Year and Date: 2008-08-22
• [Presentation] 連続光波の相関制御による光ファイバ神経網技術<招待講演> (2008)
  • Author(s): 保立和夫
  • Organizer: 応用物理学会第41回光波センシング技術研究会
  • Place of Presentation: 東京
  • Year and Date: 2008-06-11
• [Presentation] A novel discriminative sensing of strain and temperature by use of a Panda-type polarization-maintaining fiber (2008)
  • Author(s): 鄒衛文, 何祖源, 保立和夫
  • Organizer: 応用物理学会第41回光波センシング技術研究会
  • Place of Presentation: 東京
  • Year and Date: 2008-06-11
• [Presentation] ブリルアン光相関領域リフレクトメトリ(BOCDR)の測定レンジの拡大 (2008)
  • Author(s): 水野洋輔, 鄒衛文, 何祖源, 保立和夫
  • Organizer: 応用物理学会第41回光波センシング技術研究会
  • Place of Presentation: 東京
  • Year and Date: 2008-06-11
• [Presentation] High-precision characterization of dynamic acoustic grating induced by stimulated Brillouin scattering in a high-birefringence optical fiber (2008)
  • Author(s): W. Zou, Z. He, K. Hotate
  • Organizer: CLEO2008
  • Place of Presentation: San Jose
  • Year and Date: 2008-05-08
• [Presentation] Brillouin Optical Correlation-Domain Reflectometry with 13-mm Spatial Resolution and 50-Hz Sampling Rate (2008)
  • Author(s): Y. Mizuno, Z. He, K. Hotate
  • Organizer: CLEO2008
  • Place of Presentation: San Jose
  • Year and Date: 2008-05-05
• [Presentation] Correlation-based distributed measurement of SBS-generated dynamic grating spectrum in a polarization-maintaining fiber (2008)
  • Author(s): W. Zou, Z. He, K. -Y. Song, K. Hotate
  • Organizer: 19th Intern. Conf. on Optical Fiber Sensors (OFS-19)
  • Place of Presentation: Perth
  • Year and Date: 2008-04-17
• [Presentation] A high-speed sinusoidally-frequency-modulated optical reflectometry with continuous modulation-frequency sweeping (2008)
  • Author(s): Z. He, M. Konishi, K. Hotate
  • Organizer: 19th Intern. Conf. on Optical Fiber Sensors (OFS-19)
  • Place of Presentation: Perth
  • Year and Date: 2008-04-17
• [Presentation] Measurement of Bragg wavelength distribution in a long-length fiber Bragg grating by synthesis of optical coherence function (2008)
  • Author(s): K. Hotate, Koji Kaiiwara
  • Organizer: 19th Intern. Conf. on Optical Fiber Sensors (OFS-19)
  • Place of Presentation: Perth
  • Year and Date: 2008-04-17
• [Presentation] Proposal and experiment of BOCDR-Brillouin optical correlation-domain reflectometry- (2008)
  • Author(s): Y. Mizuno, W. Zou, Z. He, K. Hotate
  • Organizer: 19th Intern. Conf. on Optical Fiber Sensors (OFS-19)
  • Place of Presentation: Perth
  • Year and Date: 2008-04-17
• [Presentation] High-accuracy discriminative sensing of strain and temperature by use of birefringence and Brillouin scattering in a polarization-maintaining fiber (2008)
  • Author(s): W. Zou, Z. He, K. Hotate
  • Organizer: 19th Intern. Conf. on Optical Fiber Sensors (OFS-19)
  • Place of Presentation: Perth
  • Year and Date: 2008-04-17
• [Presentation] All-optical dynamic grating generation based on Brillouin scattering in polarization maintaining fiber (2008)
  • Author(s): K. -Y. Song, K. Hotate
  • Organizer: 19th Intern. Conf. on Optical Fiber Sensors (OFS-19)
  • Place of Presentation: Perth
  • Year and Date: 2008-04-17
• [Presentation] Distributed optical fiber sensors and their applications <Invited> (2008)
  • Author(s): K. Hotate
  • Organizer: 19th Intern. Conf. on Optical Fiber Sensors (OFS-19)
  • Place of Presentation: Perth
  • Year and Date: 2008-04-17
• [Presentation] Wide and fast wavelength-swept mode-locked fiber laser based on dispersion tuning and its application to dynamic FBG sensing (2008)
  • Author(s): Y. Nakazaki, S. Yamashita, K. Hsu
  • Organizer: 19th Intern. Conf. on Optical Fiber Sensors (OFS-19)
  • Place of Presentation: Perth
  • Year and Date: 2008-04-17
• [Presentation] Distributed optical fiber sensorsand their applications (2008)
  • Author(s): K. Hotate
  • Organizer: 19th Intern. Conf. onOptical Fiber Sensors (OFS-19)
  • Place of Presentation: Tutorialworkshops
  • Year and Date: 2008-04-08
• [Presentation] ブリルアン光相関領域リフレクトメトリによる歪分布測定-kmオーダの測定レンジと50Hzのサンプリングレートの両立- (2008)
  • Author(s): 水野洋輔, 何 祖源, 保立和夫
  • Organizer: 55回応用物理学関係連合講演会, 27a-XQ-5
  • Place of Presentation: 日本大学、船橋
  • Year and Date: 2008-03-27
• [Presentation] Investigation of strain and temperature dependences of Brillouin frequencies in GeO2-doped optical fibers and F-doped optical fibers (2008)
  • Author(s): 鄒 衛文, 何 祖源, 保立和夫
  • Organizer: 2008年度電子情報通信学会総合大会 C-3-91<招待講演>
  • Place of Presentation: 北九州学術研究都市
  • Year and Date: 2008-03-21
• [Presentation] Characterizion on Stimulated Brillouin Scattering in F-doped optical fibers (2008)
  • Author(s): 鄒 衛文, 何 祖源, 保立和夫
  • Organizer: 2008年度電子情報通信学会総合大会 C-3-92
  • Place of Presentation: 北九州学術研究都市
  • Year and Date: 2008-03-21
• [Presentation] 安全・安心な社会を支える光ファイバ神経網技術 (2008)
  • Author(s): 保立和夫
  • Organizer: 2008年度電子情報通信学会総合大会 CS-4-1<招待講演>
  • Place of Presentation: 北九州学術研究都市
  • Year and Date: 2008-03-20
• [Presentation] High-accuracy discrimination of strain and temperature using a panda-type polarization-maintaining fibe (2008)
  • Author(s): 鄒 衛文, 何 祖源, 保立和夫
  • Organizer: 2008年度電子情報通信学会総合大会 B-13-26
  • Place of Presentation: 北九州学術研究都市
  • Year and Date: 2008-03-19
• [Presentation] ブリルアン光相関領域リフレクトメトリによる歪分布測定-13mmの空間分解能と50Hzのサンプリングレートの両立- (2008)
  • Author(s): 水野洋輔, 何 祖源, 保立和夫
  • Organizer: 2008年度電子情報通信学会総合大会 B-13-25
  • Place of Presentation: 北九州学術研究都市
  • Year and Date: 2008-03-19
• [Presentation] 長尺FBG内ブラッグ波長分布測定の空間分解能向上 (2008)
  • Author(s): 梶原康嗣, 保立和夫
  • Organizer: 2008年度電子情報通信学会総合大会 B-13-25
  • Place of Presentation: 北九州学術研究都市
  • Year and Date: 2008-03-19
• [Presentation] Brillouin optical correlation-domain analysis based on simultaneous utilization of sinusoidal and noise modulation (2008)
  • Author(s): 保立和夫, ゴウィミン, 水野洋輔, 何 祖源
  • Organizer: 2008年度電子情報通信学会総合大会 B-13-23
  • Place of Presentation: 北九州学術研究都市
  • Year and Date: 2008-03-19
• [Presentation] Aircraft structural health monitoring using on-board BOCDA system (2008)
  • Author(s): T. Yari, K. Nagai, M. Ishioka K. Hotate, and Y. Koshioka
  • Organizer: 15th annual Intern. Symp. on Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring, SPIE 6933-29
  • Place of Presentation: San Diego
  • Year and Date: 2008-03-12
• [Presentation] 共振器中の分散を利用した高速・広帯域波長可変モードロックファイバレーザのFBGセンサへの応用 (2008)
  • Author(s): 中崎裕一, 山下真司
  • Organizer: 電子情報通信学会光エレクトロニクス研究会(OPE), OPE2007-188
  • Place of Presentation: 機械振興会館、東京
  • Year and Date: 2008-03-07
• [Presentation] Stimulated Brillouin scattering in F-doped optical fibers and its dependences on strain and temperature (2008)
  • Author(s): W. Zou, Z. He, and K. Hotate
  • Organizer: OFC/NFOEC 2008, OMH1
  • Place of Presentation: San Diego
  • Year and Date: 2008-02-25
• [Presentation] Fiber optic nerve systems for materials and structures that can feel pain (2008)
  • Author(s): K. Hotate
  • Organizer: MEMS 2008 <Invited>
  • Place of Presentation: Tucson, U.S.A
  • Year and Date: 2008-01-16
• [Presentation] Fiber optic nerve systems formaterials and structures that can feel pain (2008)
  • Author(s): K. Hotate
  • Organizer: 21stIEEE Intern. Conf. on Micro Electro MechanicalSystems (MEMS 2008)
  • Place of Presentation: Tucson
• [Presentation] Fiber-optic Brillouin distributed discrimination of strain and temperature with 11-cm spatial resolution using correlation-based continuous-wave technique (2008)
  • Author(s): W. H. Toh, S. Yamashita
  • Organizer: Micro-Optics Conference (MOC'08)
  • Place of Presentation: Brusseles, Belgium
• [Presentation] 長尺ファイバーブラッググレーティング内の歪分布測定システム (2007)
  • Author(s): 梶原康嗣, 保立和夫
  • Organizer: 応用物理学会第40回光波センシング技術研究会, LST-40-21
  • Place of Presentation: 東京大学
  • Year and Date: 2007-12-12
• [Presentation] ブリルアン光相関領域リフレクトメトリ(BOCDR)の提案と実験的検証 (2007)
  • Author(s): 水野洋輔, 鄒 衛文, 何 祖源, 保立和夫
  • Organizer: 応用物理学会第40回光波センシング技術研究会, LST-40-20
  • Place of Presentation: 東京大学
  • Year and Date: 2007-12-12
• [Presentation] Proposal of a novel method for discriminative sensing of strain and temperature by use of a PANDA-type polarization-maintaining fiber (2007)
  • Author(s): 鄒 衛文, 何 祖源, 保立和夫
  • Organizer: 応用物理学会第40回光波センシング技術研究会, LST-40-19
  • Place of Presentation: 東京大学
  • Year and Date: 2007-12-12
• [Presentation] 光センシング技術今日と将来 -安全・安心のためのファイバセンサフォトニクス- (2007)
  • Author(s): 保立和夫
  • Organizer: 応用物理学会第40回光波センシング技術研究会, LST-40-7 <Invited>
  • Place of Presentation: 東京大学
  • Year and Date: 2007-12-12
• [Presentation] SHM for bolted joint portion using BOCDA system (2007)
  • Author(s): T. Yari, K. Nagai, K. Hotate K. -Y. Song, and Y. Koshioka
  • Organizer: 10th Japan International SAMPE Symposium SHM/NDE-4-5
  • Place of Presentation: Tokyo
  • Year and Date: 2007-11-27
• [Presentation] Enhancement of BOCDA system for airplane structural health monitoring (2007)
  • Author(s): T. Yari, K. Nagai, K. Hotate K.-Y. Song and T. Sakurai
  • Organizer: 16th International Conference on Composite Materials TuBM1-06
  • Place of Presentation: Kyoto
  • Year and Date: 2007-11-09
• [Presentation] Widely and fast wavelength-tunable mode-locked linear cavity fiber laser (2007)
  • Author(s): R. Konishi, S. Yamashita and K. Hsu
  • Organizer: Micro-Optics Conference( MOC'07), no.L7
  • Place of Presentation: 高松
  • Year and Date: 2007-10-31
• [Presentation] Fiber Optic Nerve Systems for materials and structures that can feel pain (2007)
  • Author(s): K. Hotate
  • Organizer: SMSST 07 <Invited>
  • Place of Presentation: Tokyo
  • Year and Date: 2007-09-21
• [Presentation] Experimental investigation on temperature and strain dependence of Brillouin frequency shifts in GeO2-doped optical fibers (2007)
  • Author(s): W. Zou, Z. He, and K. Hotate
  • Organizer: 33rd European Conference and Exhibition on Optical Communication, Tu 3.6.4
  • Place of Presentation: Berlin
  • Year and Date: 2007-09-18
• [Presentation] 長尺ファイバブラッググレーティングによる歪分布測定システム (2007)
  • Author(s): 梶原康嗣, 保立和夫
  • Organizer: 2007年度電子情報通信学会ソサイエティ大会, C-3-51
  • Place of Presentation: 鳥取大学
  • Year and Date: 2007-09-14
• [Presentation] Characterization of Strain and Temperature Dependences of Brillouin Frequency Shifts in GeO2-doped Optical Fibers (2007)
  • Author(s): 鄒 衛文, 何 祖源, 保立和夫
  • Organizer: 2007年度電子情報通信学会ソサイエティ大会, C-3-34
  • Place of Presentation: 鳥取大学
  • Year and Date: 2007-09-13
• [Presentation] ブリルアン光相関領域リフレクトメトリの提案と実験的検証 (2007)
  • Author(s): 水野洋輔, 何 祖源, 保立和夫
  • Organizer: 2007年度電子情報通信学会ソサイエティ大会, B-13-9
  • Place of Presentation: 鳥取大学
  • Year and Date: 2007-09-13
• [Presentation] Multiplexed FBG strain sensing system by synthesis of optical coherence function with time-division phase shift modulation (2007)
  • Author(s): K. Hotate, K. Matsuo K.-Y. Song and Z. He
  • Organizer: SPIE Symposium on Optics East 2007, 6770-18
  • Place of Presentation: Boston
  • Year and Date: 2007-09-11
• [Presentation] Distributed fiber strain sensor with 1 kHz sampling rate based on Brillouin optical correlation domain analysis (2007)
  • Author(s): K.-Y. Song and K. Hotate
  • Organizer: SPIE Symposium on Optics East 2007, 6770-6
  • Place of Presentation: Boston
  • Year and Date: 2007-09-11
• [Presentation] 光波コヒーレンス関数合成法による光リフレクトメトリの高速化 (2007)
  • Author(s): 小西正俊, 何 祖源, 保立和夫
  • Organizer: 2007年度電子情報通信学会ソサイエティ大会, B-13-27
  • Place of Presentation: 鳥取大学
  • Year and Date: 2007-09-11
• [Presentation] 光波コヒーレンス関数合成法による光リフレクトメトリの高速化 (2007)
  • Author(s): 小西正俊, 何 祖源, 保立和夫
  • Organizer: 電子情報通信学会光ファイバ応用技術研究会, OFT2007-28
  • Place of Presentation: 北見工大
  • Year and Date: 2007-08-24
• [Presentation] Optical fiber design for Brillouin-scattering-based discriminative sensing of strain and temperature (2007)
  • Author(s): 鄒 衛文, 何 祖源, 保立和夫
  • Organizer: 電子情報通信学会光ファイバ応用技術研究会, OFT2007-30
  • Place of Presentation: 北見工大
  • Year and Date: 2007-08-24
• [Presentation] Exoerimental Investigation on Temperature and Strain Dependence of Brillouin Frequency Shift in GeO2-doped Optical Fibers (2007)
  • Author(s): 鄒 衛文, 何 祖源, 保立和夫
  • Organizer: 電子情報通信学会光エレクトロニクス研究会, OPE2007-25
  • Place of Presentation: 機会振興会館、東京
  • Year and Date: 2007-06-29
• [Presentation] Fiber optic nerve systems for materials that can feel pain (2007)
  • Author(s): K. Hotate
  • Organizer: CLEO/Europe-IQEC 2007, CH1-3 <Invited>
  • Place of Presentation: Munich
  • Year and Date: 2007-06-18
• [Presentation] 航空機搭載型BOCDA分布型光ファイバセンサ (2007)
  • Author(s): 鎗 孝志, 石岡昌人, 長井謙宏, 足立正二, 飯田力弘, 熊谷芳宏, 保立和夫, 櫻井建夫
  • Organizer: 応用物理学会第39回光波センシング技術研究会, LST-39-26
  • Place of Presentation: 浜松
  • Year and Date: 2007-06-13
• [Presentation] Improvement of Fiber Optic Distributed Lateral Force Sensing by Synthesis of Optical Coherence Function (2007)
  • Author(s): 保立和夫, トーウェイヘン, 宋 光容
  • Organizer: 応用物理学会第39回光波センシング技術研究会, LST-39-32
  • Place of Presentation: 浜松
  • Year and Date: 2007-06-13
• [Presentation] Brillouin frequency shift in GeO2-doped optical fibers influenced by draw-induced residual elastic and inelastic strains during fiber fabrication (2007)
  • Author(s): 鄒 衛文, 何 祖源, 保立和夫
  • Organizer: 応用物理学会第39回光波センシング技術研究会, LST-39-27
  • Place of Presentation: 浜松
  • Year and Date: 2007-06-13
• [Presentation] Improvement of time division pump-probe generation scheme in BOCDA based on unbalanced Mach-Zehnder delay line and optimized time-gates (2007)
  • Author(s): 宋 光容, 保立和夫
  • Organizer: 応用物理学会第39回光波センシング技術研究会, LST-39-28
  • Place of Presentation: 浜松
  • Year and Date: 2007-06-13
• [Presentation] 航空機搭載型BOCDA分布型光ファイバセンサ (2007)
  • Author(s): 石岡昌人, 鎗 孝志, 長井謙宏, 足立正二, 飯田力弘, 熊谷芳宏, 保立和夫, 櫻井建夫
  • Organizer: 電子情報通信学会光ファイバ技術研究会, OFT2007-10
  • Place of Presentation: 機械振興会館、東京
  • Year and Date: 2007-05-25
• [Presentation] Fiber optic nerve systems for materials that can feel pain (2007)
  • Author(s): K. Hotate
  • Organizer: World Forum on Smart Materials and Smart Structures Technology <Invited>
  • Place of Presentation: Chonching
  • Year and Date: 2007-05-22
• [Presentation] Simplified Brillouin optical correlation domain analysis system with optimized time-gating scheme (2007)
  • Author(s): K.-Y. Song, and K. Hotate
  • Organizer: CLEO/QELS 2007, CThO6
  • Place of Presentation: Maryland
  • Year and Date: 2007-05-10
• [Presentation] An optical fiber for Brllouin-based discriminative sensing of strain and temperature (2007)
  • Author(s): W. Zou, Z, He, and K. Hotate
  • Organizer: OLEO/QELS 2007, JThD81
  • Place of Presentation: Maryland
  • Year and Date: 2007-05-10
• [Presentation] 連続光の相関制御技術による「光ファイバ神経網」の実現 (2007)
  • Author(s): 保立和夫
  • Organizer: 55回応用物理学関係連合講演会, 28p-ZB-7
  • Place of Presentation: 日本大学、船橋
  • Year and Date: 2007-03-28
• [Presentation] Fiber Optic Nerve Systems formaterials and structures that can feel pain (2007)
  • Author(s): K. Hotate
  • Organizer: SMSST07
  • Place of Presentation: Tokyo
• [Presentation] Fiber optic nerve systems formaterials that can feel pain (2007)
  • Author(s): K. Hotate
  • Organizer: The EuropeanConference on Lasers and Electro-Optics andthe XIth European Quantum ElectronicsConference (CLEO/Europe-IQEC 2007)
  • Place of Presentation: Munich, CH1-3
• [Presentation] Fiber-Optic nerve systems formaterials and structures that can feel pain (2007)
  • Author(s): K. Hotate
  • Organizer: World Forum on Smart Materials and SmartStructures Technol. (SMSST2007)
  • Place of Presentation: Chonching
• [Presentation] Fiber-optic nerve systems for nondestructivediagnosis of structures and materials (2007)
  • Author(s): K. Hotate
  • Organizer: Tenth Intern. Symp. on Contem- poraryPhotonics Technology (CPT 2007)
  • Place of Presentation: Tokyo
• [Presentation] Applications andtechnical progress of fiber optic gyros inJapan (2006)
  • Author(s): A. Ohno, A. Kurokawa, T. Kumagai, S. Nakamura and K. Hotate
  • Organizer: 18th Intern. Conf. on Optical FiberSensors (OFS-18)
  • Place of Presentation: Cancun, MA4
• [Presentation] Unification of input and outputends in polarization-maintaining optical fiberstress sensor by synthesis of optical coherencefunction (2005)
  • Author(s): Z. He, S. Horie, K. Hotate, M. Ishikawa, and Y. Yoshikuni
  • Organizer: SPIE 6049, Intern. Symp. on Opto-mechatronic Tech- nologies (ISOT 2005)
  • Place of Presentation: Sapporo
• [Presentation] Photonic sensing (2005)
  • Author(s): K. Hotate
  • Organizer: 11th MicroopticsConference (MOC' 05), TW2
  • Place of Presentation: Tokyo Dec
• [Presentation] Distributed photonicsensing with synthesized optical coherencefunction (2005)
  • Author(s): Z. He and K. Hotate
  • Organizer: SPIE 5952, Intern. Congress onOptics and Optoelectronics
  • Place of Presentation: Warsaw, Aug.
• [Presentation] Distributed and multiplexed fiberoptic sensors and their applications to smartstructures and smart materials (2005)
  • Author(s): K. Hotate
  • Organizer: the 2005Optical Amplifiers and Their ApplicationsMeeting
  • Place of Presentation: Budapest, TuA4
• [Presentation] Materials that feel pain - distributed strain sensing by optical fibers embeddedin structures and materials (2005)
  • Author(s): K. Hotate
  • Organizer: IEEE/ LEOS Intern.Conf. on Optical MEMs and Their Applications
  • Place of Presentation: Oul, PLE2
• [Presentation] Correlation-based continuouswavetechnique for optical fiber distributedstrain measurement using Brillouin scattering (2005)
  • Author(s): K. Hotate
  • Organizer: 17th Intern. Conf. on Optical FiberSensors (OFS-17)
  • Place of Presentation: Bruges, Tu-1
• [Presentation] Multi wavelegnthfiber laser using channel spacing-tunablesampled fiber bragg grating (2005)
  • Author(s): M. Yokooji and S. Yamashita
  • Organizer: Optical Electronicsand Communications Conf. (OECC'2005)
  • Place of Presentation: no.8D1-2
• [Presentation] Fiber optic nerve systems withoptical correlation domain technique for smartstructures and smart materials (2004)
  • Author(s): K. Hotate
  • Organizer: NorthAmerican Euro-Pacific Workshop on SensingIssue in Civil Structual Health Monitoring
  • Place of Presentation: Hawaii
• [Presentation] Application ofSynthesized Coherence Function to DistributedOptical Sensing (2004)
  • Author(s): Z. He and K. Hotate
  • Organizer: SPIE 5623, APOC 2004Conference
  • Place of Presentation: Beijing
• [Presentation] e : Dynamic andrandom-access strain measurement by fiberBragg gratings with synthesis of opticalcoherence function (2004)
  • Author(s): M. Enyama and K. Hotate
  • Organizer: SPIE 5589, Optics East2004
  • Place of Presentation: Philadelphia
• [Presentation] Correlation-based continuous wavetechnique for fiber Brillouin distribu- tion strainsensing with a high spatial resolution (2004)
  • Author(s): K. Hotate
  • Organizer: SPIE5604, Optics East 2004
  • Place of Presentation: Philadelphia
• [Presentation] Trend and prospects for opticaldistributed sensing -Fiber-optic nerve systemsfor smart materials and smart-structures - (2004)
  • Author(s): K. Hotate
  • Organizer: Second European Workshop on Optical FiberSensors
  • Place of Presentation: Santander
• [Book] 光ファイバセンサ網の光測定「次世代センサハンドブック ; I編 基礎9章光ファイバセンサ9.6次世代光ファイバセンサ技術9.6.1分布型センシング,( 藍 光郎) (2008)
  • Author(s): 保立和夫
  • Publisher: 培風館
• [Book] Sensing Issues in Civil Structural Health Monitoring(pp.219-228) (2005)
  • Author(s): K.Hotate
  • Total Pages: 528
  • Publisher: Springer
• [Book] Optical Fiber Sensors for Smart Materials/Structures and Optical Communications (A Chapter in "New Photonics Technologies for the Information Age,") (2004)
  • Author(s): Kazuo Hotate
  • Publisher: Artec House
• [Remarks] 東京大学大学院工学系研究科電気系工学専攻 保立・山下・何研究室 ホームページ
  • URL: http://www.sagnac.t.u-tokyo.ac.jp/
• [Remarks] 東京大学電気系グローバルCOE「セキュアライフ・エレクトロニクス」ホームページ中の「ウェブマート」
  • URL: http://www.ee.t.u-tokyo.ac.jp/gcoe/webmart/index.shtml
• [Remarks]
  • URL: http://www.sagnac.t.u-tokyo.ac.jp/
• [Patent(Industrial Property Rights)] 光ファイバ特性測定装置及び光ファイバ特性測定方法 (2009)
  • Inventor(s): 保立和夫, 鎗孝志, 石岡昌人, 熊谷芳宏, 大石和司
  • Industrial Property Rights Holder: 保立和夫, 三菱重工業(株)横河電機(株)
  • Filing Date: 2009-02-20
• [Patent(Industrial Property Rights)] 光ファイバ特性測定装置及び光ファイバ特性測定方法(保立和夫) (2008)
  • Inventor(s): 大石和司, 保立和夫, 鎗孝志, 石岡昌人, 熊谷芳
  • Industrial Property Rights Holder: 三菱重工業株式会社, 横河電機株式会社
  • Industrial Property Number: 2008-039960
  • Filing Date: 2008-02-12
• [Patent(Industrial Property Rights)] 光ファイバ特性測定装置及び光ファイバ特性測定方法(東京大学)(海外特許申請中) (2008)
  • Inventor(s): 保立和夫, 宋 光容
  • Industrial Property Number: 2005-348482
  • Filing Date: 2008-03-28
• [Patent(Industrial Property Rights)] 光ファイバ特性測定装置及び方法 (2008)
  • Inventor(s): 保立和夫, 鎗 孝志, 石岡昌人, 熊谷芳宏, 大石和司
  • Industrial Property Rights Holder: 保立和夫三菱重工業(株)横河電機(株)
  • Industrial Property Number: 2008-039960
  • Filing Date: 2008-02-21
• [Patent(Industrial Property Rights)] 光ファイバ特性測定装置及び光ファイバ特性測定方法 (2007)
  • Inventor(s): 保立和夫, 何 祖源, 水野洋輔
  • Industrial Property Rights Holder: 東京大学
  • Industrial Property Number: 2007-316440
  • Filing Date: 2007-12-06
• [Patent(Industrial Property Rights)] 光ファイバ特性測定装置及び光ファイバ特性測定方法 (2007)
  • Inventor(s): 保立和夫、何 祖源, 水野洋輔
  • Industrial Property Rights Holder: 東京大学
  • Industrial Property Number: 2007-316440
  • Filing Date: 2007-12-06
• [Patent(Industrial Property Rights)] 光ファイバ特性測定装置及び光ファイバ特性測定方法 (2007)
  • Inventor(s): 保立和夫, 宋 光容, 何 祖源
  • Industrial Property Rights Holder: 東京大学
  • Filing Date: 2007-01-27
• [Patent(Industrial Property Rights)] 光ファイバ特性測定装置及び光ファイバ特性測定方法 (2006)
  • Inventor(s): 保立和夫, 宋光容, 何祖源
  • Industrial Property Rights Holder: 東京大学(海外特許申請中)
  • Industrial Property Number: 2006-019705
  • Filing Date: 2006-01-27
• [Patent(Industrial Property Rights)] 光ファイバ特性測定装置及び光ファイバ特性測定方法 (2006)
  • Inventor(s): 保立和夫, 宋 光容
  • Industrial Property Rights Holder: 東京大学
  • Filing Date: 2006-11-24
• [Patent(Industrial Property Rights)] 特許権 (2006)
  • Inventor(s): 保立, 他
  • Industrial Property Rights Holder: 東京大学
  • Industrial Property Number: 2006-019705
  • Filing Date: 2006-01-27
• [Patent(Industrial Property Rights)] 特許権 (2005)
  • Inventor(s): 保立, 他
  • Industrial Property Rights Holder: 東京大学
  • Industrial Property Number: 2005-348482
  • Filing Date: 2005-12-01