Rchr
J-GLOBAL ID:200901087864359562
Update date: Mar. 25, 2024
Iiyama Koichi
イイヤマ コウイチ | Iiyama Koichi
Affiliation and department:
Research field (3):
Measurement engineering
, Electronic devices and equipment
, Optical engineering and photonics
Research keywords (6):
Optical interferometric sensing
, Optical sensing
, Optical fiber sensor
, Optical fiber
, Photodetector
, Lightwave circuit
Research theme for competitive and other funds (17):
- 2020 - 2023 Development of long-range, high ranging resolution and crosstalk-free LiDAR by FMCW method
- 2017 - 2020 Development of highly accurate and high-speed three dimensional object profiling system by using optical frequency-swept laser light
- 2012 - 2015 Development of highly accurate non-contact object profiling system by using optical frequency-swept laser source
- 2006 - 2008 Development of Optical and Millimeter-wave Amplifier Utilizing Electron Beam
- 2005 - 2006 Fabrication of Si photonic wire waveguide by utilizing selective oxidation of Si
- 2004 - 光波回路に関する研究
- 2004 - A Study on Lightwave Circuit
- 2001 - 2001 微細構造くし型電極を持つ光検出器によるテラヘルツ帯光信号検出の基礎的研究
- 2000 - 超高速光検出器に関する研究
- 2000 - A Study on High Speed Photodetectors
- 1996 - 1997 Development of nondestructive diagnosis of optical circuits by using a frequency-swept light source
- 1994 - 1994 希土類ドープ光導波路による光増幅素子の作製とその光導波路レーザへの応用
- 1993 - 1994 A Study on Applications of Optical Fiber Lasers for Coherent Optical Communications
- 1991 - 1991 3電極DFBレーザを用いた可変波長フィルタの研究
- 1990 - 1991 Stabilization and Noise Reduction of DFB Laser by Incoherent Optical Feedback using FP-Resonator
- 1985 - 光ファイバ科学に関する研究
- 1985 - A Study on Optical Fiber Science
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Papers (101):
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Takumi Shoji, Keijyu Hashida, Masaki Kaneda, Ibuki Hata, Md. Shahiduzzaman, Makoto KARAKAWA, Tetsuya TAIMA, Koichi Iiyama, Masahiro Nakano. Doping of 1,1-dicyano-2,2-bis(methylthio)ethylene in ZnO to improve photoresponce of organic solar cells and photodetectors under UV-cut light irradiation. Japanese Journal of Applied Physics. 2023
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Naoya Tanaka, Masahiro Nakano, Tomoki Kobayashi, Akira Takahara, Takahiro Fujinuki, Md. Shahiduzzaman, Makoto Karakawa, Tetsuya Taima, Koichi Iiyama. Investigation of Degradation Mechanism of Y6-Based Inverted Organic Solar Cells and Their Utilization in Durable Near-Infrared Photodetection. Macromolecular Rapid Communications. 2021. 43. 4. 2100718-2100718
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Tomoharu Konishi, Koichi Iiyama, Yotsumi Yoshii. Path length calibration-free optical spectrometer with multi-pass absorption cell based on frequency modulated continuous wave ranging system. Optics Communications. 2021. 127208-127208
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Dwi Hanto, Koichi Iiyama. Low-Cost Interrogation of Long-Distance and Multipoint FBG Sensor Using Incoherent-FMCW Optical Ranging System. IEEE Sensors Journal. 2020. 20. 7. 3599-3607
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Rini Khamimatul Ula, Yusuke Noguchi, Koichi Iiyama. Three-dimensional object profiling using highly accurate FMCW optical ranging system. Journal of Lightwave Technolog. 2019. 37. 15. 3826-3833
more...
MISC (65):
Patents (3):
Lectures and oral presentations (80):
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Multiplexed fiber Bragg grating sensor system combined incoherent FMCW optical ranging system for interrogation of sensor signals
(International Symposium on Imaging, Sensing, and Optical Memory 2023 (ISOM’23) 2023)
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I-V characteristics and frequency response of organic photodetector based on structure of organic photovoltaics
(International Symposium on Imaging, Sensing, and Optical Memory 2023 (ISOM’23) 2023)
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Fast and accurate FMCW LiDAR by using pre-distorted modulation waveform for optical frequency chirp
(International Symposium on Imaging, Sensing, and Optical Memory 2023 (ISOM’23) 2023)
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Fast and accurate three-dimensional object profiling by FMCW optical ranging system using pre-distorted modulation signal for optical frequency chirp
(International Symposium on Imaging, Sensing, and Optical Memory 2023 (ISOM’23) 2023)
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Detection and profiling of building and human by FMCW LiDAR using highly coherent laser source
(International Symposium on Imaging, Sensing, and Optical Memory 2022 (ISOM’22) 2022)
more...
Works (5):
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光周波数掃引法による高分解能レーザ光距離センシングシステムの開発
2009 -
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Development of high-resolution optical ranging system by using a frequency-swrpt laser
2009 -
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ほくりく健康創造クラスター「広汎性発達障害の診断・治療・経過観察総合システムの開発」
2008 -
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Hokuriku Lifecare Cluster
2008 -
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光導波路解析および光測定系構築に関する共同研究
2000 -
Education (2):
- - 1987 Kanazawa University
- - 1985 Kanazawa University Faculty of Engineering
Professional career (1):
Work history (6):
Committee career (3):
- 2004 - 2005 応用物理学会 北陸・信越支部役員
- 1998 - 1999 光産業技術振興協会 光技術動向調査委員会委員
- 1998 - 1999 電子情報通信学会 北陸支部評議員
Awards (3):
- 2016/10 - International Symposium on Optical Memory 2016 (ISOM’16) Special Award Three-dimensional object profiling using FMCW optical sensing system
- 2014/08 - 2014 2nd International Conference on Electronic Design (ICED 2014) Best Paper Award Linearization of nonlinear beat frequency in FMCW interferometry through waveform modifying technique
- 2013/06 - The 4th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2013) Best Poster Award Metamorphic InAlAs MSM Photodetector on GaAs Substrate
Association Membership(s) (4):
レーザー学会
, 応用物理学会
, アメリカ電気電子学会(IEEE)
, 電子情報通信学会
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