Research on terahertz tomography

• Project/Area Number: 18206009
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Applied optics/Quantum optical engineering
• Research Institution: Nagoya University
• Principal Investigator: KAWASE kodo (KODO Kawase) Nagoya University, エコトピア科学研究所, 教授 (00296013)
• Co-Investigator(Kenkyū-buntansha): SUIZU Koji 名古屋大学, 大学院・工学研究科, 助教 (20342800) ; 西澤 典彦 大阪大学, 大学院・工学研究科, 准教授 (30273288)
• Project Period (FY): 2006 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥48,100,000 (Direct Cost: ¥37,000,000、Indirect Cost: ¥11,100,000); Fiscal Year 2009: ¥9,620,000 (Direct Cost: ¥7,400,000、Indirect Cost: ¥2,220,000); Fiscal Year 2008: ¥11,570,000 (Direct Cost: ¥8,900,000、Indirect Cost: ¥2,670,000); Fiscal Year 2007: ¥12,480,000 (Direct Cost: ¥9,600,000、Indirect Cost: ¥2,880,000); Fiscal Year 2006: ¥14,430,000 (Direct Cost: ¥11,100,000、Indirect Cost: ¥3,330,000)
• Keywords: テラヘルツ / トモグラフィー / 非線形光学 / イメージング / テラヘルツ波

Research Abstract

High-resolution tomographic imaging is demonstrated using a reflection-type terahertz time-domain spectroscopy. To realize a practical system for general use, a robust all-fiber laser was used as the pump light source. The wideband spectrum of the generated terahertz waves provided high-axial resolution leading to successful imaging of a multilayered structure containing a 5-um-thin layer.

Research Products

• [Journal Article] Time-of-flight terahertz tomography (2010)
  • Author(s): K. Kawase, K. Suizu, T. Shibuya
  • Journal Title: American Laboratory (in prin)
  • Peer Reviewed
• [Journal Article] Nonlinear optical terahertz wave sources (2010)
  • Author(s): K. Kawase, K. Suizu, S. Hayashi, T. Shibuya
  • Journal Title: Optics and Spectroscopy Vol.108,No.6 Pages: 841-845
  • Peer Reviewed
• [Journal Article] High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser (2009)
  • Author(s): J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, K. Kawase
  • Journal Title: Optics Express vol.17,no.9 Pages: 7533-7539
  • Peer Reviewed
• [Journal Article] Terahertz Sensing of Thin Polyethylene Terephthalate Film Thickness Using a Metallic Mesh (2009)
  • Author(s): S. Yoshida, E. Kato, Y. Nakagomi, K. Suizu, Y. Ogawa, K. Kawase
  • Journal Title: Applied Physics Express vol.2,no.1 Pages: 12301-12301
  • Peer Reviewed
• [Journal Article] Efficient Cherenkov-type phase-matched widely tunable THz-wave generation via an optimized pump beam shape (2009)
  • Author(s): T. Shibuya, T. Tsutsui, K. Suizu, T. Akiba, K. Kawase
  • Journal Title: Applied Physics Express vol.2,no.3 Pages: 32302-32302
  • Peer Reviewed
• [Journal Article] テラヘルツイメージング技術 (2009)
  • Author(s): 川瀬晃道
  • Journal Title: 画像ラボ vol.61,no.1 Pages: 12-16
• [Journal Article] Terahertz wave generation and applications (2009)
  • Author(s): K. Kawase, K. Suizu, T. Shibuya, S. Hayashi
  • Journal Title: Proceedings of 43rd Meeting on Lightwave Sensing Technology
• [Journal Article] テラヘルツ波の発生と応用可能性 (2009)
  • Author(s): 川瀬晃道, 澁谷孝幸, 林伸一郎, 水津光司
  • Journal Title: Material Technology vol.27,no.4 Pages: 131-136
  • Peer Reviewed
• [Journal Article] High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser (2009)
  • Author(s): J.Takayanagi, K.Suizu, K.Kawase, 以下8名略。Kawaseの掲載順は11番目
  • Journal Title: Optics Express 17 Pages: 7533-7539
  • Peer Reviewed
• [Journal Article] Extremely frequency-widened terahertz wave generation using Cherenko v-type radiation (2009)
  • Author(s): K.Suizu, K.Koketsu, T.Shibuya, T.Tsutsui, T.Akiba, K.Kawase
  • Journal Title: Optics Express 17 Pages: 6676-6681
  • Peer Reviewed
• [Journal Article] Efficient Cherenkov-type phase-matched widely tunable THz-wave generation via an optimized pump beam shape (2009)
  • Author(s): T.Shibuya, T.Tsutsui, K.Suizu, T.Akiba, K.Kawase
  • Journal Title: Applied Physics Express 2 Pages: 32302-32302
  • Peer Reviewed
• [Journal Article] High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser (2009)
  • Author(s): J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa and K. Kawase
  • Journal Title: Optics Express vol.17 Pages: 7533-7539
  • Peer Reviewed
• [Journal Article] Extremely frequency-widened terahertz wave generation using Cherenkov-type radiation (2009)
  • Author(s): K. Suizu, K. Koketsu, T. Shibuya, T. Tsutsui, T. Akiba and K. Kawase
  • Journal Title: Optics Express vol.17, no.8 Pages: 6676-6681
  • Peer Reviewed
• [Journal Article] テラヘルツ光の発生と応用可能性 (2008)
  • Author(s): 川瀬晃道, 林伸一郎, 澁谷孝幸, 水津光司
  • Journal Title: 伝熱学会誌 vol.47,no.200 Pages: 19-23
  • NAID: 10024275479
  • Peer Reviewed
• [Journal Article] Monochromatic tunable terahertz-wave sources based on nonlinear frequency conversion using lithium niobate crystal (Invited Review) (2008)
  • Author(s): K. Suizu, K. Kawase
  • Journal Title: IEEE Journal of Selected Topics in Quantum Electronics vol.14,no.2 Pages: 295-306
  • Peer Reviewed
• [Journal Article] Generation and detection of broadband coherent terahertz radiation using 17-fs ultrashort pulse fiber laser (2008)
  • Author(s): J. Takayanagi, S. Kanamori, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa and K. Kawase
  • Journal Title: Optics Express vol.16 Pages: 12859-12865
  • Peer Reviewed
• [Journal Article] Generation and detection of broadband coherent terahertz radiation using 17-fs ultrashort pulse fiber laser (2008)
  • Author(s): J. Takayanagi, K. Suizu, K. Kawase(以下7名省略。K. Kawaseの掲載順は10番目)
  • Journal Title: Optics Express 16 Pages: 12859-12865
  • Peer Reviewed
• [Journal Article] Cherenkov phase-matched monochromatic THz wave generation using difference frequency generation with a lithium niobate crystal (2008)
  • Author(s): K. Suizu, T. Shibuya, T. Akiba, T. Tutui, C. Otani, K. Kawase
  • Journal Title: Optics Express 16 Pages: 7493-7498
  • Peer Reviewed
• [Journal Article] Terahertz-Wave Generation Using a 4-Dirmethylamino-N-methyl-4-stilbazolium tosylate Crystal Under Intra-Cavity Conditions, vol. 1, pp. 042002 (2008)
  • Author(s): T. Shibuya, T. Akiba, K. Suizu, H. Uchida, C. Otani, K. Kawase
  • Journal Title: Applied Physics Express 1 Pages: 42002-42002
  • Peer Reviewed
• [Journal Article] Output power enhancement of a palmtop terahertz-wave parametric generator (2007)
  • Author(s): S. Hayashi, H. Minamide, T. lkari, Y. Ogawa, J. Shikata, H. Ito, C. Otani, K. Kawase
  • Journal Title: Applied Optics 46 Pages: 117-123
  • Peer Reviewed
• [Journal Article] Terahertz-wave generation in a conventional optical fiber (2007)
  • Author(s): K. Suizu and K. Kawase
  • Journal Title: Optics Letters 32 Pages: 2990-2992
  • Peer Reviewed
• [Journal Article] Pulsed high peak power millimeter wave generation via difference frequency generation using periodically poled lithium niobate (2007)
  • Author(s): K. Suizu, T. Shibuya, S. Nagano, T. Akiba, K. Edamatsu, H. Ito K. Kawase
  • Journal Title: Japan Journal of Applied Physics 46
  • NAID: 210000064149
  • Peer Reviewed
• [Journal Article] Superconducting Detector Array for Terahertz Imaging Applications (2006)
  • Author(s): S.Ariyoshi, C.Otani, A.Dobroiu, H.Matsuo, T.Taino, K.Kawase
  • Journal Title: Japanese Journal of Applied Physics 45, 37
  • NAID: 10018340515
• [Journal Article] Terahertz imaging with a direct detector based on superconducting tunnel junctions (2006)
  • Author(s): S.Ariyoshi, C.Otani, A.Dobroiu, H.Matsuo, T.Taino, K.Kawase
  • Journal Title: Applied Physics Letters 88 Pages: 203503-203503
• [Journal Article] Monitoring the frozen state of freezing media by using millimeter waves (2006)
  • Author(s): M.Mizuno, C.Otani, K.Kawase, Y.Kurihara, K.Shindo, Y.Ogawa
  • Journal Title: Journal of Electromagnetic Waves and Applications 20, 3 Pages: 341-349
• [Journal Article] Efficient generation of Cherenkov-type terahertz radiation from a lithium niobate crystal with silicon prism output coupler (2006)
  • Author(s): M.Theuer, G.Torosyan, R.Beigang, K.Maki, C.Otani, K.Kawase
  • Journal Title: Applied Physics Letters 88 Pages: 71122-71122
• [Journal Article] Terahertz-wave sources and imaging applications (2006)
  • Author(s): A.Dobroiu, C.Otani, K.Kawase
  • Journal Title: Measurement Science and Technology 17
• [Journal Article] Terahertz surface-wave resonant sensor with a metal hole array (2006)
  • Author(s): F.Miyamaru, S.Hayashi, C.Otani, K.Kawase, Y.Ogawa, H.Yoshida
  • Journal Title: Optic Letters 31, 8 Pages: 1118-1120
• [Presentation] Nolinear optical THz-wave generations and imaging/sensing applications (invited) (2009)
  • Author(s): K.Kawase, K.Suizu, T.Shibuya, S.Hayashi
  • Organizer: IRMMW-THz 2009 Post-Conference Distinguished Lectures on THz Science and Technology
  • Place of Presentation: Seoul National University, Korea
  • Year and Date: 2009-09-27
• [Presentation] Real life applications of terahertz imaging (2009)
  • Author(s): K. Kawase, S. Hayashi, K. Suizu, T. Shibuya
  • Organizer: 2009 Eastern Analytical Symposium and Exposition, Garden State Exhibit Center
  • Place of Presentation: Somerset, USA(invited)
• [Presentation] Nolinear optical THz-wave generations and imaging/sensing applications (2009)
  • Author(s): K. Kawase, K. Suizu, T. Shibuya, S. Hayashi
  • Organizer: RMMW-THz 2009 Post-Conference Distinguished Lectures on THz Science and Technology
  • Place of Presentation: Seoul National University, Korea(invited)
• [Presentation] Terahertz light sources and imaging applications (2009)
  • Author(s): K. Kawase, T. Shibuya, S. Hayashi, K. Suizu
  • Organizer: 14th International Symposium on Laser-Aided Plasma Diagnostics (LAPD 14)
  • Place of Presentation: Castelbrando, Italy(invited)
• [Presentation] Terahertz generation and sensing/imaging applications (2009)
  • Author(s): K. Kawase, T. Shibuya, S. Hayashi, K. Suizu
  • Organizer: The 8th Pacific Rim Conference on Lasers and Electro-Optics
  • Place of Presentation: Shanghai, China(invited)
• [Presentation] THz wave generations and imaging applications (2009)
  • Author(s): K. Kawase, S. Hayashi, T. Shibuya, K. Suizu
  • Organizer: the topical conference on terahertz technologies "Terahertz Diagnostics and Treatment
  • Place of Presentation: Nizhny Novgorod, Russia(invited)
• [Presentation] THz-wave generations and applications (2009)
  • Author(s): K. Kawase, K. Suizu, S. Hayashi, T. Shibuya
  • Organizer: International Symposium on Photoelectronic Detection and Imaging 2009 (ISPDI 2009)
  • Place of Presentation: Beijing, China(invited)
• [Presentation] THz-wave generations and imaging applications (2009)
  • Author(s): K. Kawase, K. Suizu, T. Shibuya, S. Hayashi
  • Organizer: The 1'st International Joint Workshop for Advanced Materials, Devices and Convergence Technologies
  • Place of Presentation: Pusan, Korea(invited)
• [Presentation] THz wave generation and imaging applications (2008)
  • Author(s): K. Kawase, T. Shibuya, K. Suizu, S. Hayashi
  • Organizer: The International Conference on Laser Applications in Life Sciences 2008 (LALS2008)
  • Place of Presentation: Taipei International Conference Center, Taiwan(invited)
• [Presentation] THz wave generation and imaging applications (2008)
  • Author(s): K. Kawase
  • Organizer: THz Sensing and Imaging Workshop, Northeastern University
  • Place of Presentation: Boston, USA(invited)
• [Presentation] THz wave generation and imaging applications (2008)
  • Author(s): K. Kawase, S. Hayashi, Y. Ogawa
  • Organizer: 20th International Conference on High Resolution Molecular Spectroscopy
  • Place of Presentation: Prague, Czech Republic(plenary lecture)
• [Presentation] THz wave generation and imaging applications (Plenary Lecture) (2008)
  • Author(s): K. Kawase
  • Organizer: 20th International Conference on High Resolution Molecular Spectroscopy, A1, Prague
  • Place of Presentation: Czech Republic
• [Presentation] THz wave generation and imaging applications (plenary lecture) (2008)
  • Author(s): K. Kawase, S. Hayashi, Y. Ogawa
  • Organizer: 20th International Conference on High Resolution Molecular Spectroscopy
  • Place of Presentation: Prague, Czech Republic
• [Presentation] Terahertz-wave parametric generation and applications(invited) (2007)
  • Author(s): K. Kawase, S. Hayashi
  • Organizer: SPIE International Symposium on Optics East
  • Place of Presentation: Boston, USA
  • Year and Date: 2007-09-10
• [Presentation] Terahertz wave applications (Keynote) (2006)
  • Author(s): K. Kawase
  • Organizer: 9th Annual Japanese-American Kavil Frontiers of Science Symposium (JAFoS)
  • Place of Presentation: The Beckman Center, Irvine, USA
• [Book] テラヘルツ光の応用, "光科学研究の最前線2, 強光子場科学研究懇談会編 (2010)
  • Author(s): 川瀬晃道
  • Total Pages: 53
  • Publisher: 国際文献印刷社
• [Book] “Terahertz-wave parametric sources, "Recent Optical and Photonic Technologies(edited by Ki Young Kim) (2010)
  • Author(s): S. Hayashi, K. Kawase
• [Book] “Cherenkov phase matched monochromatic tunable terahertz wave generation, "Recent Optical and Photonic Technologies(edited by Ki Young Kim) (2010)
  • Author(s): K. Suizu, T. Shibuya, K. Kawase
• [Book] "THz rays to detect drugs of abuse, " Terahertz Frequency Detection and Identification of Materials and Objects(NATO Science for Peace and Security Series B: Physics and Biophysics) (2007)
  • Author(s): K. Kawase, A. Dobroiu, M. Yamashita, Y. Sasaki, C. Otani, H. Eisele, A. Krotkus
  • Publisher: Springer
• [Book] テラヘルツ技術総覧, テラヘルツテクノロジーフォーラム編 (2007)
  • Author(s): 川瀬晃道
  • Publisher: NGT社
• [Book] Terahertz Frequency Detection and Identification of Materials and Objects (2007)
  • Author(s): K. Kawase, A. Dobroiu, M. Yamashita, Y. Sasaki, C. Otani
  • Total Pages: 10
  • Publisher: Springer
• [Remarks]
  • URL: http://www.nuee.nagoya-u.ac.jp/labs/optlab/kawase/jp/index.html
• [Remarks]
  • URL: http://www.nuee.nagoya-u.ac.jp/labs/optlab/kawase/jp/index.html
• [Remarks]
  • URL: http://www.nuee.nagoya-u.ac.jp/labs/optlab/
• [Remarks]
  • URL: http://www.nuee.nagoya-u.ac.jp/labs/optlab/kawase/jp/index.html
• [Remarks]
  • URL: http://www.nuee.nagoya-u.ac.jp/labs/optlab/kawase/jp/index.html
• [Patent(Industrial Property Rights)] テラヘルツ波発生装置 (2009)
  • Inventor(s): 水津光司, 川瀬晃道 (他3名)
  • Industrial Property Rights Holder: 名古屋大学
  • Industrial Property Number: 2009-051189
  • Filing Date: 2009-03-04
• [Patent(Industrial Property Rights)] Method and apparatus for detecting materials (2008)
  • Inventor(s): K. Kawase, Y. Watanabe, T. Ikari
  • Industrial Property Rights Holder: RIKEN
  • Acquisition Date: 2008-04-01
• [Patent(Industrial Property Rights)] Method and apparatus for detecting materials (2008)
  • Inventor(s): Kodo Kawase, Yuuki Watanabe, Tomofumi Ikari
  • Industrial Property Rights Holder: RIKEN
  • Acquisition Date: 2008-04-01
  • Overseas
• [Patent(Industrial Property Rights)] Apparatus and method for detecting scattered material by terahertz wave (2007)
  • Inventor(s): K. Kawase, T. Shibuya, Y. Ogawa, M. Yamashita
  • Industrial Property Rights Holder: RIKEN
  • Acquisition Date: 2007-11-06