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Versatile High-Performance 3D Imaging Platform

Research Project

Project/Area Number 19H02149
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 21030:Measurement engineering-related
Research InstitutionThe University of Tokyo

Principal Investigator

Set Sze Yun  東京大学, 先端科学技術研究センター, 准教授 (20530827)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2021: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2020: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
Fiscal Year 2019: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
Keywords三次元計測 / レーザ形状計測 / ビームスキャナ / LIDAR / 3Dイメージング / 光計測 / 距離計 / 非機械式
Outline of Research at the Start

本研究では、高性能で包括的な3Dレーザスキャナを開発することを目的として、独自の光変調方式及び光検出方法を駆使し、従来の3Dレーザスキャナが測定困難な材料や表面粗さにより生じる干渉性フェージングの課題を解決する計測手法を確立する。レーザ光に独自の高速偏波変調を施して偏波検出することで、レーザスキャナの測定制限要因である干渉性フェージングを除去する。また、独自提案手法に基づいてビームフォーミングにおける焦点深度拡張及びビームスポット狭窄化を実現し、高精細3Dレーザスキャナに適用するための高品質ビームフォーミング技術および非機械式で高速掃引・広視野のビームスキャンニング技術を開拓する。

Outline of Final Research Achievements

In this research, we have developed AMCW, FMCW, and ToF LiDAR, and established high-performance 3D measurement technologies. Regarding the AMCW method, we proposed the PMCW method to improve data loss by the reduced speckle effects and expanded dynamic range. In addition, a Bessel-Gauss beam was developed to improve the vertical and horizontal spatial resolution, and a point cloud processing method was developed to eliminate ranging ambiguity errors. Furthermore, we proposed a non-mechanical beam scanning scheme and the CAMPS method and obtained a depth accuracy higher than that of the AMCW method. Regarding the FMCW approach, we have developed a wavelength sweeping nonlinearity compensation algorithm and succeeded in improving the depth resolution. Finally, an ultra-short pulse having a fs pulse width and optical sampling were introduced into the ToF method to realize high depth resolution. We also developed an algorithm for pulse measurement with a less amount of calculation.

Academic Significance and Societal Importance of the Research Achievements

近年、先進諸国で少子高齢化が進み、多くの場面で人材不足が問題視されている。特に、産業を支える各種工場において部品の外観検査を行う人材不足は深刻である。これまで、部品の形状ずれ、歪み、傷、ひび割れ等の検査は職人の肉体労働に依存してきたが、高精度遠隔測量がこれを代替する有力候補とされている。本研究はインダストリー4.0特にスマートファクトリに資する3次元計測基盤技術を提供すると共に、人材不足問題の解決が期待できる。
本研究の学術的意義は、ハードウェアとソフトウェアの連携により高性能・高機能な光計測技術を実現することと、光の波としての資源をフル活用することで光3次元計測の未踏性能を開拓する点である。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • Research Products

    (68 results)

All 2022 2021 2020 2019 Other

All Journal Article (13 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 13 results,  Open Access: 3 results) Presentation (49 results) (of which Int'l Joint Research: 20 results,  Invited: 8 results) Remarks (3 results) Patent(Industrial Property Rights) (3 results)

  • [Journal Article] Saturable Absorption of CNT and Fabrication of Erbium-doped Microresonator for On-chip Mode-locked Laser2022

    • Author(s)
      今村 陸, 鈴木 S. L. P. 智生, 石田 蘭丸, 藤井 瞬, セット ジ イヨン, 山下 真司, 田邉 孝純
    • Journal Title

      IEEJ Transactions on Electronics, Information and Systems

      Volume: 142 Issue: 3 Pages: 395-400

    • DOI

      10.1541/ieejeiss.142.395

    • NAID

      130008165799

    • ISSN
      0385-4221, 1348-8155
    • Year and Date
      2022-03-01
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Broadband similariton generation in a mode-locked Yb-doped fiber laser2022

    • Author(s)
      Zhao Zihao、Jin Lei、Set Sze Yun、Yamashita Shinji
    • Journal Title

      Optics Letters

      Volume: 47 Issue: 9 Pages: 2238-2238

    • DOI

      10.1364/ol.456808

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Overall Non-Mechanical Spectrally Steered LiDAR Using Chirped Amplitude-Modulated Phase-Shift Method2022

    • Author(s)
      Zhang Zheyuan、Zhang Chao、Shirahata Takuma、Yamashita Shinji、Set Sze Y.
    • Journal Title

      Journal of Lightwave Technology

      Volume: 40 Issue: 7 Pages: 1902-1913

    • DOI

      10.1109/jlt.2021.3131027

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] SWCNT@BNNT With 1D Van Der Waals Heterostructure With a High Optical Damage Threshold for Laser Mode-Locking2021

    • Author(s)
      Zhang Zheyuan、Sun Xiangnan、Yuan Pengtao、Yokokawa Shoko、Zheng Yongjia、Jiang Hongbo、Jin Lei、Anisimov Anton、Kauppinen Esko、Xiang Rong、Maruyama Shigeo、Yamashita Shinji、Set Sze Y.
    • Journal Title

      Journal of Lightwave Technology

      Volume: 39 Issue: 18 Pages: 5875-5883

    • DOI

      10.1109/jlt.2021.3092522

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 2.5 GHz harmonic mode locking from a femtosecond Yb-doped fiber laser with high fundamental repetition rate2021

    • Author(s)
      Zhao Zihao、Jin Lei、Set Sze Yun、Yamashita Shinji
    • Journal Title

      Optics Letters

      Volume: 46 Issue: 15 Pages: 3621-3621

    • DOI

      10.1364/ol.431735

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Amplitude-modulated continuous-wave laser rangefinder employingBessel?Gauss beamforming2021

    • Author(s)
      Zhang Chao、Zhang Zheyuan、Liu Sifan、Jin Lei、Sugiura Yohei、Set Sze Yun、Yamashita Shinji、Ito Fumihiko
    • Journal Title

      Applied Optics

      Volume: 60 Issue: 24 Pages: 7485-7485

    • DOI

      10.1364/ao.432556

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Comprehensive Ranging Disambiguation for Amplitude-Modulated Continuous-Wave Laser Scanner With Focusing Optics2021

    • Author(s)
      Zhang Chao、Zhang Zheyuan、Tian Yuchen、Set Sze Yun、Yamashita Shinji
    • Journal Title

      IEEE Transactions on Instrumentation and Measurement

      Volume: 70 Pages: 1-11

    • DOI

      10.1109/tim.2020.3026441

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Enhancement in dynamic range of amplitude-modulated continuous-wave laser scanner having a coaxial configuration2020

    • Author(s)
      C. Zhang, S. Y. Set, and S. Yamashita
    • Journal Title

      IEEE Transactions on Instrumentation and Measurement

      Volume: - Pages: 1-10

    • DOI

      10.1109/tim.2020.3011768

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Compensation of phase-uncertainty-induced impairments in dispersion-tuned swept laser OCT using digital coherent detection2020

    • Author(s)
      T. Shirahata, S. Y. Set, and S. Yamashita
    • Journal Title

      IEEE/OSA Journal of Lightwave Technology

      Volume: - Issue: 23 Pages: 6492-6498

    • DOI

      10.1109/jlt.2020.3013104

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Laser mode locking using a single mode fiber coil with enhanced polarization dependent loss2020

    • Author(s)
      H. Jiang, Y, Huang, Z. Zhao, T. Shirahata, L. Jin, S. Y. Set, and S. Yamashita
    • Journal Title

      Optics Letters

      Volume: 45 Issue: 10 Pages: 2866-2869

    • DOI

      10.1364/ol.393093

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fiber-based dynamically tunable Lyot filter for dual-wavelength and tunable single-wavelength mode-locking of fiber lasers2020

    • Author(s)
      Zhu Yuanjun、Cui Zekun、Sun Xiangnan、Shirahata Takuma、Jin Lei、Yamashita Shinji、Set Sze Yun
    • Journal Title

      Optics Express

      Volume: 28 Issue: 19 Pages: 27250-27250

    • DOI

      10.1364/oe.402173

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] On-Chip Optical Gas Sensors Based on Group-IV Materials2020

    • Author(s)
      Wu Jingwen、Yue Gongcheng、Chen Weicheng、Xing Zhengkun、Wang Jiaqi、Wong Wei Ru、Cheng Zhenzhou、Set Sze Yun、Senthil Murugan Ganapathy、Wang Xingjun、Liu Tiegen
    • Journal Title

      ACS Photonics

      Volume: 7 Issue: 11 Pages: 2923-2940

    • DOI

      10.1021/acsphotonics.0c00976

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Polarization-insensitive laser scanning and profiling using amplitude-modulated CW scheme2019

    • Author(s)
      C. Zhang, S. Liu, N. Hayashi, S. Y. Set, and S. Yamashita
    • Journal Title

      IEEE Transactions on Instrumentation and Measurement

      Volume: 69 Issue: 7 Pages: 4496-4506

    • DOI

      10.1109/tim.2019.2946429

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Measurement of depolarized guided acoustic-wave Brillouin scattering of Hi1060 fiber2022

    • Author(s)
      Zihao Zhao, Lei Jin, Sze Yun Set, Shinji Yamashita
    • Organizer
      応用物理学会春季学術講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Impact of initial conditions on the self-starting property of an all-PM NPR mode-locked fiber laser2022

    • Author(s)
      Guanyu Ye, Lei Jin, Shinji Yamashita, Sze Y Set
    • Organizer
      応用物理学会春季学術講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 1550nm All-Fiber Coherent Doppler LiDAR2022

    • Author(s)
      Sean Wolfe, Takuma Shirahata, Sze Yun Set, Shinji Yamashita
    • Organizer
      応用物理学会春季学術講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Study on the Effect of Intensity Modulator Bias Voltage on Pulsed Fiber Loop Ring-down Spectroscopy2022

    • Author(s)
      Jiaqi Qu, Takuma Shirahata, Lei Jin, Sze Y. Set, Shinji Yamashita
    • Organizer
      応用物理学会春季学術講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Nonlinearity Compensation for Swept Source Optical Coherence Tomography Using Full Range of Signal2022

    • Author(s)
      Moeri Horiuchi, Takuma Shirahata, Sze Yun Set, Shinji Yamashita
    • Organizer
      応用物理学会春季学術講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Bi-directional Polarization-Maintaining Mode-Locked Fiber Laser2022

    • Author(s)
      Kota Uyama, Takuma Shirahata, Sze Yun Set, Shinji Yamashita
    • Organizer
      応用物理学会春季学術講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Novel Data-Processing Method for High-Accuracy Spectrally Steered LiDAR using Dispersion-Tuned Swept Laser2022

    • Author(s)
      Zheyuan Zhang, Chao Zhang, Takuma Shirahata, Shinji Yamashita, Sze Y. Set
    • Organizer
      Conference on Lasers and Electro-Optics (CLEO2022)
    • Related Report
      2021 Annual Research Report
  • [Presentation] All-Optical 25-Gbps Silicon Carbide Kerr Switching Intensity Modulator On Silicon Platform2022

    • Author(s)
      Chih-Hsien Cheng, Cai-Syuan Fu, Sze Yun Set, Shinji Yamashita and Gong-Ru Lin
    • Organizer
      Conference on Lasers and Electro-Optics (CLEO2022)
    • Related Report
      2021 Annual Research Report
  • [Presentation] All Polarization-Maintaining Wavelength-Tunable Femtosecond Pulse Mode-Locked Fiber Laser Based on Strain Controlled Lyot-Filter presented.2022

    • Author(s)
      Xiangnan Sun, Shinji Yamashita and Sze Yun Set
    • Organizer
      Conference on Lasers and Electro-Optics (CLEO2022)
    • Related Report
      2021 Annual Research Report
  • [Presentation] Reduction of Noise in a Passively Harmonic Mode-locked Fiber Laser by Optimizing Cavity Length2022

    • Author(s)
      Zihao Zhao, Guanyu Ye, Takuma Shirahata, Sean Wolfe, Lei Jin, Sze Yun Set, and Shinji Yamashita
    • Organizer
      Conference on Lasers and Electro-Optics (CLEO2022)
    • Related Report
      2021 Annual Research Report
  • [Presentation] Coherent Doppler Lidar for Improved Object Velocomitry using Dual Measurement Fusion2022

    • Author(s)
      Sean Wolfe, Takuma Shirahata, Shinji Yamashita and Sze Yun Set
    • Organizer
      Conference on Lasers and Electro-Optics (CLEO2022)
    • Related Report
      2021 Annual Research Report
  • [Presentation] Orthogonally-Polarized Bi-directional Dual-Comb Fiber Laser2022

    • Author(s)
      Kota Uyama, Takuma Shirahata, Sze Yun Set, and Shinji Yamashita
    • Organizer
      Conference on Lasers and Electro-Optics (CLEO2022)
    • Related Report
      2021 Annual Research Report
  • [Presentation] コヒーレント自由空間光通信の近年の研究動向2021

    • Author(s)
      張超、宇山康太、張哲元、セットジイヨン、山下真司
    • Organizer
      電子情報通信学会光ファイバ応用技術研究会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 2.5 GHz harmonic mode-locked Yb-doped fiber laser with high fundamental repetition rate2021

    • Author(s)
      Zihao Zhao, Lei Jin, S. Y. Set, Shinji Yamashita
    • Organizer
      レーザー学会第 558 回研究会「次世代ファイバレーザー技術」
    • Related Report
      2021 Annual Research Report
  • [Presentation] 全偏波保持偏波多重モード同期ファイバーレーザーの動作安定性2021

    • Author(s)
      宇山 康太, 白畑 卓磨, 金 磊, セット ジイヨン, 山下 真司
    • Organizer
      レーザー学会第 558 回研究会「次世代ファイバレーザー技術」
    • Related Report
      2021 Annual Research Report
  • [Presentation] All-PM Linearly Tunable Mode-Locked Fiber laser Based on Temperature Controller2021

    • Author(s)
      Xiangnan Sun, Yuanjun Zhu, Yohei Sugiura, Shinji Yamashita, Sze Y. Set
    • Organizer
      レーザー学会第 558 回研究会「次世代ファイバレーザー技術」
    • Related Report
      2021 Annual Research Report
  • [Presentation] Laser Mode-locking using SWCNT@BNNT with 1D van der Waals Heterostructure as a Saturable Absorber with a High Optical Damage Threshold,2021

    • Author(s)
      Z. Zhang, X. Sun, P. Yuan, S. Yokokawa, Y. Zheng, H. Jiang, L. Jin, A. S. Anisimov, E. I. Kauppinen, R. Xiang, S. Maruyama, S. Yamashita, and S. Y. Set
    • Organizer
      応用物理学会秋季学術講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Chirped Amplitude-Modulated Phase-Shift Method Based Overall Non-Mechanical 1-D Spectrally Scanned LiDAR2021

    • Author(s)
      Z. Zhang, C. Zhang, T. Shirahata, S. Yamashita, S. Y. Set
    • Organizer
      応用物理学会秋季学術講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 二偏波励起による偏波多重モード同期ファイバーレーザー2021

    • Author(s)
      宇山康太,白畑卓磨,金磊,セットジイヨン,山下 真司
    • Organizer
      応用物理学会秋季学術講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 2.17 GHz Soliton-like Harmonic Mode-locking Generated from an Yb-doped Fiber Laser with Anomalous Net Dispersion2021

    • Author(s)
      Z. Zhao, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      Conference on Lasers and Electro-Optics (CLEO2021)
    • Related Report
      2021 Annual Research Report
  • [Presentation] Recent Trends in Coherent Free-Space Optical Communications2021

    • Author(s)
      C. Zhang, K. Uyama, Z. Zhang, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      SPIE Photonics West
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 振幅変調連続波型レーザスキャナに関する研究2021

    • Author(s)
      張超, セットジイヨン, 山下真司
    • Organizer
      電子情報通信学会光ファイバ応用技術研究会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Emerging Technologies for 3D Laser Rangefinder2020

    • Author(s)
      S. Y. Set
    • Organizer
      応用物理学会秋季学術講演会
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] 光周波数変調連続波型測距システムの掃引非線形性補償手法の検討2020

    • Author(s)
      山口尚紀, 白畑卓磨, 張超, 山内隆典, 鈴木巨生, セットジイヨン, 山下真司
    • Organizer
      応用物理学会秋季学術講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Amplitude- Modulated Continuous-Wave Light Detection and Ranging with Bessel Beamforming2020

    • Author(s)
      C. Zhang, S. Liu, Z. Zhang, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      Conference on Lasers and Electro-Optics (CLEO)
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A novel software-based optical sampling scheme for high-precision and interference-free time-of-flight LiDAR2020

    • Author(s)
      Y. Ishizaki, C. Zhang, S. Y. Set, and S. Yamashita
    • Organizer
      Conference on Lasers and Electro-Optics (CLEO)
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Non-mechanical scanning AMCW laser rangefinder using wavelength-swept dispersion-tuned fiber laser2020

    • Author(s)
      Z. Zhang, C. Zhang, T. Shirahata, S. Yamashita, and S. Y. Set
    • Organizer
      Conference on Lasers and Electro-Optics (CLEO)
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Amplitude-modulated continuous-wave laser scanner employing adaptive gain control for avoidance of receiver saturation2020

    • Author(s)
      C. Zhang, S. Liu, Z. Zhang, F. Xiang, N. Hayashi, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      SPIE Photonics West OPTO
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Coherent light source with 106-nm broadband spectrum generated directly from Yb-doped fiber oscillator2020

    • Author(s)
      S. Yokokawa, K. Endo, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      SPIE Photonics West LASE
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ベッセルビームフォーミングを用いた振幅変調連続光距離計2020

    • Author(s)
      張超, 劉斯凡, 張哲元, セットジイヨン, 山下真司
    • Organizer
      応用物理学会春季学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Non-mechanical scanning AMCW laser rangefinder using wavelength-swept dispersion-tuned fiber laser2020

    • Author(s)
      Z. Zhang, C. Zhang, T. Shirahata, S. Yamashita, and S. Y. Set
    • Organizer
      応用物理学会春季学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 振幅変調連続波レーザスキャナにおける測距不確定性除去2020

    • Author(s)
      張超,劉斯凡,金磊,セットジイヨン,山下真司
    • Organizer
      電子情報通信学会総合大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 高精細・干渉フリーTime-of-flight LiDARのためのソフトウェア補正に基づく光サンプリングシステム2020

    • Author(s)
      石崎優,張超,セットジイヨン,山下真司
    • Organizer
      電子情報通信学会総合大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Comprehensive ranging disambiguation for amplitude-modulated continuous wave laser scanner2020

    • Author(s)
      C. Zhang, S. Liu, Z. Zhang, N. Hayashi, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      SPIE Photonics Europe
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Non-mechanical scanning AMCW laser rangefinder using wavelength-swept dispersion-tuned fiber laser2020

    • Author(s)
      Z. Zhang, C. Zhang, T. Shirahata, S. Yamashita, and S. Y. Set
    • Organizer
      OSA/IEEE Conference of Lasers and Electro-optics (CLEO)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Ultra-broadband spectrum generation from a stretched-pulse mode-locked Yb-doped fiber laser at high repetition ratee,” Conference of Lasers and Electro-optics (CLEO)2020

    • Author(s)
      S. Yokokawa, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      OSA/IEEE Conference of Lasers and Electro-optics (CLEO)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A novel software-based optical sampling scheme for high-precision and interference-free time-of-flight LiDAR2020

    • Author(s)
      Y. Ishizaki, C. Zhang, S. Y. Set, and S. Yamashita
    • Organizer
      OSA/IEEE Conference of Lasers and Electro-optics (CLEO)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Amplitude-modulated continuous-wave light detection and ranging with Bessel beamforming2020

    • Author(s)
      C. Zhang, S. Liu, Z. Zhang, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      OSA/IEEE Conference of Lasers and Electro-optics (CLEO)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Irradiation angle dependence and polarization dependence in 3D geometry measurement using AMCW LiDAR2019

    • Author(s)
      C. Zhang, N. Hayashi, S. Y. Set, and S. Yamashita
    • Organizer
      SPIE Photonics West LASE
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Polarization-insensitive amplitude-modulated CW LiDAR2019

    • Author(s)
      C. Zhang, N. Hayashi, S. Y. Set, and S. Yamashita
    • Organizer
      OSA/IEEE Conference on Laser and Electro-Optics (CLEO)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Fiber Laser Sources for Next Generation Photonic Applications2019

    • Author(s)
      L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      8th Applied Optics and Photonics China
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] AMCW 3D laser scanner employing optical attenuator for avoidance of receiver saturation2019

    • Author(s)
      S. Liu, C. Zhang, N. Hayashi, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      応用物理学会秋季学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] ディジタルコヒーレント受信による波長掃引非線形性の測定と補償2019

    • Author(s)
      白畑卓磨, セットジイヨン, 山下真司
    • Organizer
      応用物理学会秋季学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Omnipotent fiber lasers for digital frontier photonic sensing2019

    • Author(s)
      S. Y. Set, and S. Yamashita
    • Organizer
      1st PKU-UTokyo-NII Joint Forum on Information Science
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 3D Laser Scanner with AMCW LiDAR2019

    • Author(s)
      S. Y. Set, C. Zhang, and S. Yamashita
    • Organizer
      Laser Taiwan
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Advanced fiber lasers for intelligent bio-imaging, 3D imaging, environmental sensing applications2019

    • Author(s)
      L. Jin, C. Zhang, S.Y. Set, and S. Yamashita
    • Organizer
      Advanced Fiber Laser (AFL) Conference
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Recovery of defocused 3D data for focusing-optics-based amplitude-modulated continuous-wave laser scanner2019

    • Author(s)
      C. Zhang, S. Liu, Z. Zhang, F. Xiang, N. Hayashi, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      SPIE Future Sensing Technologies
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Amplitude-modulated continuous-wave 3D laser scanner employing optical gain control for avoidance of receiver saturation2019

    • Author(s)
      S. Liu, C. Zhang, N. Hayashi, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      SPIE International Conference on Optical Instrument and Technology (OIT)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Ultra-braodband Yb-doped fiber mode-locked laser and its applications in gas sensing and bioimaging2019

    • Author(s)
      S. Yokokawa, K. Endo, L. Jin, S. Y. Set, and S. Yamashita
    • Organizer
      SPIE International Conference on Optical Instrument and Technology (OIT)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Remarks] 山下セット研ウェブページ

    • URL

      http://www.cntp.t.u-tokyo.ac.jp/publications/

    • Related Report
      2020 Annual Research Report
  • [Remarks]

    • URL

      http://www.cntp.t.u-tokyo.ac.jp/publications/

    • Related Report
      2019 Annual Research Report
  • [Remarks]

    • URL

      http://www.cntp.t.u-tokyo.ac.jp/eagle-3d-photonics/

    • Related Report
      2019 Annual Research Report
  • [Patent(Industrial Property Rights)] 偏光方向ディスクリミネータ、デュアル出力レーザ、及び偏光方向弁別方法2022

    • Inventor(s)
      セットジイヨン,宇山 康太,山下真司
    • Industrial Property Rights Holder
      東京大学
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2022-070433
    • Filing Date
      2022
    • Related Report
      2021 Annual Research Report
  • [Patent(Industrial Property Rights)] フィルタ装置、波長可変レーザ、及び波長調整方法2022

    • Inventor(s)
      セットジイヨン,孫 相楠,山下真司
    • Industrial Property Rights Holder
      東京大学
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2022-079706
    • Filing Date
      2022
    • Related Report
      2021 Annual Research Report
  • [Patent(Industrial Property Rights)] 計測装置2021

    • Inventor(s)
      セットジイヨン,張哲元,張超,山下真司
    • Industrial Property Rights Holder
      東京大学
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2021-079270
    • Filing Date
      2021
    • Related Report
      2021 Annual Research Report

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Published: 2019-04-18   Modified: 2023-12-25  

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