Dr. Yoshihito Hirano Profile

Dr. Yoshihito Hirano

Senior Chief Engineer at Mitsubishi Electric Corp

SPIE Involvement:

Author

Publications (19)

SPIE Journal Paper | 13 November 2016 Open Access

Open Access

Demonstration on range imaging of 256×256 pixels and 30 frames per second using short wavelength infrared pulsed time-of-flight laser sensor with linear array receiver

Shumpei Kameyama, Akihito Hirai, Masaharu Imaki, Nobuki Kotake, Hidenobu Tsuji, Yuichi Nishino, Yusuke Ito, Mikio Takabayashi, Yasuhisa Tamagawa, Masaharu Nakaji, Eitaro Ishimura, Yoshihito Hirano

OE, Vol. 56, Issue 03, 031214, (November 2016) https://doi.org/10.1117/12.10.1117/1.OE.56.3.031214

KEYWORDS: Range imaging, Sensors, Readout integrated circuits, Receivers, Pulsed laser operation, Ranging, Avalanche photodetectors, Signal detection, Short wave infrared radiation, Beam shaping

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SPIE Journal Paper | 20 October 2016 Open Access

Open Access

Line scanning time-of-flight laser sensor for intelligent transport systems, combining wide field-of-view optics of 30 deg, high scanning speed of 0.9 ms/line, and simple sensor configuration

Masaharu Imaki, Shumpei Kameyama, Eitaro Ishimura, Masaharu Nakaji, Hideo Yoshinaga, Yoshihito Hirano

OE, Vol. 56, Issue 03, 031205, (October 2016) https://doi.org/10.1117/12.10.1117/1.OE.56.3.031205

KEYWORDS: Sensors, Distance measurement, Optical amplifiers, Modulation, Capacitance, Intelligence systems, Optical scanning systems, Signal to noise ratio, Intelligent sensors, Intelligent sensor systems

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Proceedings Article | 19 November 2012 Paper

Paper

1.5-μm high average power laser amplifier using an Er,Yb:glass planar waveguide for coherent Doppler LIDAR

Takeshi Sakimura, Yojiro Watanabe, Toshiyuki Ando, Shumpei Kameyama, Kimio Asaka, Hisamichi Tanaka, Takayuki Yanagisawa, Yoshihito Hirano, Hamaki Inokuchi

Proceedings Volume 8526, 852604 (2012) https://doi.org/10.1117/12.976293

KEYWORDS: Waveguides, Doppler effect, LIDAR, Planar waveguides, Laser amplifiers, Cladding, Optical amplifiers, Glasses, Laser development, Pulsed laser operation

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Proceedings Article | 19 November 2012 Paper

Paper

Wind sensing demonstration of more than 30km measurable range with a 1.5 μm coherent Doppler lidar which has the laser amplifier using Er,Yb:glass planar waveguide

Shumpei Kameyama, Takeshi Sakimura, Yojiro Watanabe, Toshiyuki Ando, Kimio Asaka, Hisamichi Tanaka, Takayuki Yanagisawa, Yoshihito Hirano, Hamaki Inokuchi

Proceedings Volume 8526, 85260E (2012) https://doi.org/10.1117/12.977330

KEYWORDS: Optical amplifiers, Signal processing, LIDAR, Planar waveguides, Laser amplifiers, Doppler effect, Wind energy, Telescopes, Polarization, Signal detection

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Proceedings Article | 14 May 2012 Paper

Paper

Pulsed 3D laser sensor with scanless receiver

Hidenobu Tsuji, Mikio Takabayashi, Masaharu Imaki, Nobuki Kotake, Akihito Hirai, Shumpei Kameyama, Yoshihito Hirano

Proceedings Volume 8379, 837904 (2012) https://doi.org/10.1117/12.919849

KEYWORDS: Receivers, Signal detection, Sensors, Avalanche photodetectors, Imaging systems, Signal processing, 3D image processing, Pulsed laser operation, Stereoscopy, Signal to noise ratio

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Proceedings Article | 14 May 2012 Paper

Paper

Performance improvement of real-time 3D imaging ladar based on a modified array receiver

Nobuki Kotake, Akihito Hirai, Shumpei Kameyama, Masaharu Imaki, Hidenobu Tsuji, Mikio Takabayashi, Yoshifumi Sasahata, Yoshihito Hirano

Proceedings Volume 8379, 837917 (2012) https://doi.org/10.1117/12.918565

KEYWORDS: Readout integrated circuits, Receivers, LIDAR, 3D image processing, Signal detection, Avalanche photodetectors, Detection and tracking algorithms, Sensors, Signal processing, Switches

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Proceedings Article | 22 February 2011 Paper

Paper

Coherent homodyne receiver with a compensator of Doppler shifts for inter orbit optical communication

Toshiyuki Ando, Eisuke Haraguchi, Kenichi Tajima, Yoshihito Hirano, Tatsuyuki Hanada, Shiro Yamakawa

Proceedings Volume 7923, 79230J (2011) https://doi.org/10.1117/12.876564

KEYWORDS: Doppler effect, Receivers, Satellites, Homodyne detection, Optical communications, Satellite communications, Mode locking, Telecommunications, Oscillators, Hybrid optics

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Proceedings Article | 11 November 2010 Paper

Paper

Performance analysis on 1.6 micron CW modulation laser absorption spectrometer for CO2 sensing

Masaharu Imaki, Shumpei Kameyama, Yoshihito Hirano, Shinichi Ueno, Shuji Kawakami, Daisuke Sakaizawa, Masakatsu Nakajima

Proceedings Volume 7860, 786005 (2010) https://doi.org/10.1117/12.869432

KEYWORDS: Carbon dioxide, Signal to noise ratio, Carbon dioxide lasers, Modulation, Absorption, Sensors, Polarization, Speckle, Calibration, Continuous wave operation

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Proceedings Article | 12 August 2009 Paper

Paper

Path-averaged atmospheric CO2 measurement using a 1.57 μm active remote sensor compared with multi-positioned in situ sensors

Daisuke Sakaizawa, Shuji Kawakami, Masakatsu Nakajima, Yosuke Sawa, Hidekazu Matsueda, Kazuhiro Asai, Syumpei Kameyama, Masaharu Imaki, Yoshihito Hirano, Shinichi Ueno

Proceedings Volume 7460, 746006 (2009) https://doi.org/10.1117/12.828573

KEYWORDS: Carbon dioxide, Sensors, Absorption, Atmospheric sensing, Environmental sensing, Remote sensing, Spectroscopy, In situ metrology, In situ remote sensing, Atmospheric laser remote sensing

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Proceedings Article | 9 December 2008 Paper

Paper

Development of 1.6 micron CW modulation ground-based DIAL system for CO2 monitoring

Shumpei Kameyama, Masaharu Imaki, Yoshihito Hirano, Shinichi Ueno, Shuji Kawakami, Masakatsu Nakajima

Proceedings Volume 7153, 71530L (2008) https://doi.org/10.1117/12.804712

KEYWORDS: Carbon dioxide, Modulation, Absorption, Sensing systems, Sensors, Time metrology, Modulators, Signal detection, Signal processing

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Proceedings Article | 30 November 2006 Paper

Paper

Feasibility study of microwave modulation DIAL system for global CO2 monitoring

Yoshihito Hirano, Shumpei Kameyama, Shinichi Ueno, Nobuo Sugimoto, Toshiyoshi Kimura

Proceedings Volume 6409, 64090A (2006) https://doi.org/10.1117/12.714433

KEYWORDS: Modulation, Signal to noise ratio, Signal detection, Microwave radiation, Carbon dioxide, LIDAR, Signal processing, Absorption, Demodulation, Ranging

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Proceedings Article | 13 February 2001 Paper

Paper

1.5-um eye-safe coherent lidar system for wind velocity measurement

Kimio Asaka, Takayuki Yanagisawa, Yoshihito Hirano

Proceedings Volume 4153, (2001) https://doi.org/10.1117/12.417063

KEYWORDS: Velocity measurements, LIDAR, Wind measurement, Pulsed laser operation, Signal to noise ratio, Telescopes, Receivers, Semiconductor lasers, Atmospheric optics, Sensors

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Proceedings Article | 13 February 2001 Paper

Paper

Self-compensated coherent integration method for coherent lidar system

Shumpei Kameyama, Takahiko Fujisaka, Kimio Asaka, Toshiyuki Ando, Yasuharu Koyata, Yoshihito Hirano, Shusou Wadaka, Toru Tajime

Proceedings Volume 4153, (2001) https://doi.org/10.1117/12.417064

KEYWORDS: Signal to noise ratio, Doppler effect, Signal processing, LIDAR, Signal detection, Sensing systems, Interference (communication), Telescopes, Switches, Attenuators

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Proceedings Article | 13 February 2001 Paper

Paper

10.9-mJ single-frequency diode-pumped Q-switched Er,Yb:glass laser for a coherent Doppler lidar

Takayuki Yanagisawa, Kimio Asaka, Yoshihito Hirano

Proceedings Volume 4153, (2001) https://doi.org/10.1117/12.417032

KEYWORDS: Pulsed laser operation, Semiconductor lasers, Q switched lasers, LIDAR, Wind energy, Laser stabilization, Doppler effect, Laser development, Q switching, Mirrors

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Proceedings Article | 3 April 2000 Paper

Paper

Long-time operation of a 100-W green average-power two-rod double-pass Nd:YAG MOPA system

Shuhei Yamamoto, Yasuharu Koyata, Nicolaie Pavel, Yoshihito Hirano

Proceedings Volume 3889, (2000) https://doi.org/10.1117/12.380895

KEYWORDS: Ferroelectric materials, Nd:YAG lasers, Diodes, Semiconductor lasers, Absorption, Crystals, Amplifiers, Head, Oscillators, Optical amplifiers

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Proceedings Article | 3 April 2000 Paper

Paper

Burst-mode Q-switching operation of a Nd:YAG rod laser

Yasuharu Koyata, Shuhei Yamamoto, Yoshihito Hirano

Proceedings Volume 3889, (2000) https://doi.org/10.1117/12.380888

KEYWORDS: Nd:YAG lasers, Diodes, Q switching, Q switches, Thermal effects, Resonators, Transmission electron microscopy, Rod lasers, Q switched lasers, Optical pumping

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Proceedings Article | 31 December 1997 Paper

Paper

Influence of vibrations on Fourier transform spectrometers

Takayuki Yanagisawa, Tomohiro Akiyama, Yasuhisa Tamagawa, Yoshihito Hirano, Yoshikazu Kamiya

Proceedings Volume 3221, (1997) https://doi.org/10.1117/12.298110

KEYWORDS: Fourier transforms, Spectrometers, Computer simulations, Sensors, Atmospheric sensing, Spectral resolution, Optical components, Reflectors

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Proceedings Article | 24 April 1997 Paper

Paper

Double-clad Nd-doped fiber amplifiers for transmitter of interorbit communications

Yoshihito Hirano, Yasuhiro Shoji, Kenji Tatsumi, Minoru Yoshida, Tomohiro Araki, Yasumasa Hisada

Proceedings Volume 2990, (1997) https://doi.org/10.1117/12.273699

KEYWORDS: Fiber amplifiers, Optical amplifiers, Absorption, Scattering, Neodymium, Transmitters, Semiconductor lasers, Single mode fibers, Signal attenuation, Fiber lasers

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Proceedings Article | 15 December 1995 Paper

Paper

Diode-pumped solid state laser for spaceborne water vapor DIAL

Osamu Uchino, Tomohiro Nagai, Toshifumi Fujimoto, Chikao Nagasawa, Makoto Abo, Takashi Moriyama, Takashi Nakajima, Naoaki Murate, Kenji Tatsumi, Yoshihito Hirano

Proceedings Volume 2581, (1995) https://doi.org/10.1117/12.228507

KEYWORDS: Neodymium lasers, Semiconductor lasers, Absorption, Sapphire lasers, Optical amplifiers, Optical pumping, Pulsed laser operation, Solid state lasers, Oscillators, Q switched lasers

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Showing 5 of 19 publications

Conference Committee Involvement (1)

Lidar Remote Sensing for Environmental Monitoring IX

18 November 2008 | Noumea, New Caledonia

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