Prof. Hirokazu Matsumoto Profile

Prof. Hirokazu Matsumoto

Research Professor at Univ of Tokyo

SPIE Involvement:

Author

Publications (41)

SPIE Journal Paper | 9 September 2014

Two-color absolute length measuring method based on pulse repetition interval lengths

Dong Wei, Masato Aketagawa, Kiyoshi Takamasu, Hirokazu Matsumoto

OE, Vol. 53, Issue 12, 122413, (September 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.12.122413

KEYWORDS: Mirrors, Refractive index, Distance measurement, Interferometers, Optical fibers, Second-harmonic generation, Frequency combs, Temperature metrology, Humidity, Optical testing

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Proceedings Article | 20 November 2012 Paper

Multiple-pulse-train-interference-based measurement of refractive index of air using femtosecond optical frequency comb

Dong Wei, Kiyoshi Takamasu, Hirokazu Matsumoto

Proceedings Volume 8563, 856314 (2012) https://doi.org/10.1117/12.999797

KEYWORDS: Refractive index, Mirrors, Frequency combs, Femtosecond phenomena, Temporal coherence, Water, Light sources, Michelson interferometers, Temperature metrology, Pulsed laser operation

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Proceedings Article | 30 January 2012 Paper

Pulse repetition interval-based Excess Fraction method for an arbitrary and absolute distance measurement using a femtosecond optical frequency comb

Dong Wei, Kiyoshi Takamasu, Hirokazu Matsumoto

Proceedings Volume 8247, 82470K (2012) https://doi.org/10.1117/12.907636

KEYWORDS: Frequency combs, Semiconductor lasers, Distance measurement, Michelson interferometers, Mirrors, Femtosecond phenomena, Laser sources, Pulsed laser operation, Calibration, Interferometers

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Proceedings Article | 17 June 2009 Paper

Study on the temporal coherence function of a femtosecond optical frequency comb

Dong Wei, Satoru Takahashi, Kiyoshi Takamasu, Hirokazu Matsumoto

Proceedings Volume 7389, 73891R (2009) https://doi.org/10.1117/12.824210

KEYWORDS: Temporal coherence, Michelson interferometers, Mirrors, Femtosecond phenomena, Camera shutters, Frequency combs, Interferometry, Beam splitters, Oscilloscopes, Metrology

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Proceedings Article | 18 June 2007 Paper

Super-heterodyne laser interferometer using femtosecond frequency comb for linear encoder calibration system

Mariko Kajima, Hirokazu Matsumoto

Proceedings Volume 6616, 66160G (2007) https://doi.org/10.1117/12.726247

KEYWORDS: Interferometers, Signal detection, Calibration, Helium neon lasers, Computer programming, Semiconductor lasers, Laser stabilization, Modulation, Femtosecond frequency combs, Femtosecond phenomena

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Proceedings Article | 20 November 2003 Paper

Low-coherence tandem interferometer for remote calibration of gauge blocks

Akiko Hirai, Hirokazu Matsumoto

Proceedings Volume 5190, (2003) https://doi.org/10.1117/12.505410

KEYWORDS: Interferometers, Calibration, Optical fibers, Standards development, Single mode fibers, Metrology, Mirrors, Light sources, Photodetectors, Interferometry

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Proceedings Article | 20 November 2003 Paper

High-precision long-distance measurement using a frequency comb of a femtosecond mode-locked laser

Hirokazu Matsumoto, Kaoru Minoshima, Souichi Telada

Proceedings Volume 5190, (2003) https://doi.org/10.1117/12.505422

KEYWORDS: Distance measurement, Mode locking, Femtosecond phenomena, Phase measurement, Frequency combs, Modulation, Signal detection, Absorption, Calibration

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Proceedings Article | 20 November 2003 Paper

Laser interferometer for calibration of a line scale module with analog output

Ichiro Fujima, Yasuaki Fujimoto, Kaoru Sasaki, Hideaki Yoshimori, Shigeo Iwasaki, Souichi Telada, Hirokazu Matsumoto

Proceedings Volume 5190, (2003) https://doi.org/10.1117/12.508118

KEYWORDS: Interferometers, Calibration, Standards development, Temperature metrology, Analog electronics, Signal detection, Head, Data acquisition, Helium neon lasers, Light sources

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Proceedings Article | 19 November 2003 Paper

Novel heterodyne Fourier transform spectrometer for the NIR region

Akiko Hirai, Dejiao Lin, Chie Tagaki, Hirokazu Matsumoto

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.530938

KEYWORDS: Spectroscopy, Fourier transforms, Heterodyning, Diffraction gratings, Mirrors, Modulation, Near infrared, Diffraction, Fourier spectroscopy, Spherical lenses

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Proceedings Article | 19 November 2003 Paper

New remote length measurements with optical fiber using a low-coherence tandem interferometer

Akiko Hirai, Hirokazu Matsumoto

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.530029

KEYWORDS: Interferometers, Optical fibers, Single mode fibers, Optical testing, Light sources, Signal detection, Metrology, Light, Interferometry, Beam splitters

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Proceedings Article | 19 November 2003 Paper

3-D surface profile measurement by 2-D heterodyne low-coherence interferometer

Hirokazu Matsumoto, Akiko Hirai

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.530945

KEYWORDS: Heterodyning, Interferometers, Bragg cells, Sensors, 3D metrology, Mirrors, Light sources, Spherical lenses, Mode locking, Femtosecond phenomena

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SPIE Journal Paper | 1 November 2001

Transmission of optical length information through single-mode fiber by low-coherence tandem interferometer

Hirokazu Matsumoto, Akiko Hirai

OE, Vol. 40, Issue 11, (November 2001) https://doi.org/10.1117/12.10.1117/1.1409395

KEYWORDS: Interferometers, Single mode fibers, Optical fibers, Light sources, Calibration, Ferroelectric materials, Interferometry, Collimation, Michelson interferometers, Diodes

Proceedings Article | 8 May 2001 Paper

Low-coherence tandem interferometer for in-situ measurement of the refractive index

Akiko Hirai, Hirokazu Matsumoto

Proceedings Volume 4416, (2001) https://doi.org/10.1117/12.427034

KEYWORDS: Interferometers, Refractive index, Interferometry, Glasses, Michelson interferometers, Light sources, Sensors, Mirrors, Quartz, Distortion

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Proceedings Article | 3 May 2001 Paper

Frequency reproducibility of I2-stabilized Nd:YAG lasers

Feng-Lei Hong, Yun Zhang, Jun Ishikawa, Youichi Bitou, Atsushi Onae, Jun Yoda, Hirokazu Matsumoto, Kenichi Nakagawa

Proceedings Volume 4269, (2001) https://doi.org/10.1117/12.424464

KEYWORDS: Nd:YAG lasers, Laser stabilization, Iodine cells, Modulation, Iodine, Laser systems engineering, Crystals, Spectroscopy, Phase shift keying, Polarization

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Proceedings Article | 3 May 2001 Paper

Frequency control of a chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser for comparison between microwave and optical frequencies

Kazuhiko Sugiyama, Atsushi Onae, Takeshi Ikegami, Sergey Slyusarev, Feng-Lei Hong, Kaoru Minoshima, Hirokazu Matsumoto, Jonathan Knight, William Wadsworth, Philip Russell

Proceedings Volume 4269, (2001) https://doi.org/10.1117/12.424458

KEYWORDS: Mode locking, Laser stabilization, Fiber lasers, Microwave radiation, Crystals, Nd:YAG lasers, Frequency combs, Cesium, Iodine cells, Mirrors

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SPIE Journal Paper | 1 March 2001

High-sensitivity surface-profile measurements by heterodyne white-light interferometer

Akiko Hirai, Hirokazu Matsumoto

OE, Vol. 40, Issue 03, (March 2001) https://doi.org/10.1117/12.10.1117/1.1349216

KEYWORDS: Interferometers, Mirrors, Heterodyning, Bragg cells, Signal detection, Spherical lenses, Michelson interferometers, Light sources, 3D metrology, Laser beam diagnostics

Proceedings Article | 15 December 2000 Paper

Heterodyne white-light interferometer using optical grating

Akiko Hirai, Hirokazu Matsumoto

Proceedings Volume 4087, (2000) https://doi.org/10.1117/12.406354

KEYWORDS: Interferometers, Heterodyning, Mirrors, Homodyne detection, Diffraction gratings, Signal to noise ratio, Spherical lenses, Signal detection, Bragg cells, Diffraction

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SPIE Journal Paper | 1 October 1999

Three-dimensional imaging using a femtosecond amplifying optical Kerr gate

Kaoru Minoshima, Takeshi Yasui, Emmanuel Abraham, Hirokazu Matsumoto, Gediminas Jonusauskas, Claude Rulliere

OE, Vol. 38, Issue 10, (October 1999) https://doi.org/10.1117/12.10.1117/1.602229

KEYWORDS: Femtosecond phenomena, 3D image processing, Picosecond phenomena, Ultrafast imaging, Transient nonlinear optics, Imaging spectroscopy, Diffusers, Spectroscopy, Optical filters, Stereoscopy

Proceedings Article | 7 May 1999 Paper

High-sensitivity surface measurements by a heterodyne white-light interferometer

Akiko Hirai, Hirokazu Matsumoto

Proceedings Volume 3740, (1999) https://doi.org/10.1117/12.347802

KEYWORDS: Interferometers, Bragg cells, Heterodyning, Mirrors, Signal detection, Spherical lenses, Light sources, Michelson interferometers, Interferometry, Sensors

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Proceedings Article | 4 December 1998 Paper

Three-dimensional imaging using a femtosecond amplifying optical Kerr gate

Kaoru Minoshima, Takeshi Yasui, Emmanuel Abraham, Hirokazu Matsumoto, Gediminas Jonusauskas, Claude Rulliere

Proceedings Volume 3491, (1998) https://doi.org/10.1117/12.328687

KEYWORDS: Femtosecond phenomena, 3D image processing, Picosecond phenomena, Transient nonlinear optics, Ultrafast imaging, Optical filters, Spectroscopy, Stereoscopy, Diffusers, Imaging spectroscopy

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Proceedings Article | 30 September 1998 Paper

Interferometric gauge block measurement with 633-nm He-Ne and 1,064-nm Nd:YAG lasers

Hideaki Yoshimori, Katuo Seta, Yong-Chol Lee, Satoshi Hatano, Hirokazu Matsumoto

Proceedings Volume 3477, (1998) https://doi.org/10.1117/12.323102

KEYWORDS: Absorption, Interferometers, Nd:YAG lasers, Light sources, Mirrors, Laser stabilization, Helium neon lasers, Iodine, Laser development, Interferometry

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Proceedings Article | 30 September 1998 Paper

Domestic round-robin tests in Japan for about 40 years

Katuo Seta, Yasushi Ishii, Hirokazu Matsumoto

Proceedings Volume 3477, (1998) https://doi.org/10.1117/12.323119

KEYWORDS: Calibration, Interferometry, Metrology, Lamps, Standards development, Interferometers, Analytical research, Laser stabilization, Helium neon lasers, Manufacturing

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SPIE Journal Paper | 1 May 1998

Simultaneous measurement of the position and shape of a swimming fish by combining a fringe pattern projection method with a laser scanning technique

LiJiang Zeng, Hirokazu Matsumoto, Keiji Kawachi

OE, Vol. 37, Issue 05, (May 1998) https://doi.org/10.1117/12.10.1117/1.601681

KEYWORDS: Fringe analysis, Laser scanners, Position sensors, CCD cameras, Laser systems engineering, Optical engineering, Projection systems, Signal processing, 3D scanning, Metrology

SPIE Journal Paper | 1 December 1997

Time-sharing collimation method for measuring the beating force of an insect

LiJiang Zeng, Hao Liu, Hirokazu Matsumoto, Keiji Kawachi

OE, Vol. 36, Issue 12, (December 1997) https://doi.org/10.1117/12.10.1117/1.601572

KEYWORDS: Sensors, Position sensors, Collimation, Ferroelectric materials, Calibration, Motion measurement, Mirrors, Optical engineering, Acousto-optics, Scanners

SPIE Journal Paper | 1 December 1997

High-resolution distance meter using optical modulators at 3.5 GHz

Ichiro Fujima, Katuo Seta, Hirokazu Matsumoto, Hisashi Yoshida

OE, Vol. 36, Issue 12, (December 1997) https://doi.org/10.1117/12.10.1117/1.601573

KEYWORDS: Modulation, Waveguides, Phase measurement, Optical modulators, Phase shift keying, Modulators, Interferometers, Prisms, Distance measurement, Helium neon lasers

SPIE Journal Paper | 1 August 1997

Multireference fringe-pattern projection method for measuring the shape of an object with spatially isolated surfaces

LiJiang Zeng, Hirokazu Matsumoto, Keiji Kawachi

OE, Vol. 36, Issue 08, (August 1997) https://doi.org/10.1117/12.10.1117/1.601458

KEYWORDS: Fringe analysis, Scanners, Laser scanners, CCD cameras, Acousto-optics, Cameras, Imaging systems, Solids, Optical engineering, Fluid dynamics

Proceedings Article | 7 July 1997 Paper

Multipoint displacement probe combining a microlens array with an acousto-optic deflector scanner

LiJiang Zeng, Hirokazu Matsumoto, Keiji Kawachi

Proceedings Volume 3131, (1997) https://doi.org/10.1117/12.277747

KEYWORDS: Photodetectors, Modulation, Sensors, Reflectivity, Ferroelectric materials, Acousto-optics, Scanners, Microlens array, Signal detection, Collimation

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SPIE Journal Paper | 1 May 1997

Multi-point dynamic displacement probe that uses a self-focusing micro-lens array

LiJiang Zeng, Hirokazu Matsumoto, Keiji Kawachi

OE, Vol. 36, Issue 05, (May 1997) https://doi.org/10.1117/12.10.1117/1.601358

KEYWORDS: Modulation, Photodetectors, Ferroelectric materials, Sensors, Collimation, Reflectivity, Microscopes, Acousto-optics, Error analysis, Servomechanisms

SPIE Journal Paper | 1 November 1996

Divergent-ray projection method for measuring the flapping angle, lag angle, and torsional angle of a bumblebee wing

LiJiang Zeng, Hirokazu Matsumoto, Keiji Kawachi

OE, Vol. 35, Issue 11, (November 1996) https://doi.org/10.1117/12.10.1117/1.601053

KEYWORDS: Motion measurement, High speed cameras, Calibration, Lenses, Imaging systems, Optical engineering, Metrology, Kinematics, Fringe analysis, Analytical research

Proceedings Article | 1 November 1996 Paper

Dynamic angle measurement using an acousto-optic deflector

LiJiang Zeng, Takeshi Ohnuki, Hirokazu Matsumoto, Keiji Kawachi

Proceedings Volume 2863, (1996) https://doi.org/10.1117/12.256246

KEYWORDS: Mirrors, Position sensors, Ferroelectric materials, Acousto-optics, Reflectors, Autocollimators, Collimation, Motion measurement, Scanners, Diffraction

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Proceedings Article | 19 July 1996 Paper

New method for measuring the thickness and shape of a thin film simultaneously by combining interferometry and laser triangulation

LiJiang Zeng, Takeshi Ohnuki, Hirokazu Matsumoto, Keiji Kawachi

Proceedings Volume 2861, (1996) https://doi.org/10.1117/12.245168

KEYWORDS: Glasses, Sensors, Interferometers, Thin films, Phase measurement, Heterodyning, Interferometry, Position sensors, Signal detection, Laser interferometry

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SPIE Journal Paper | 1 June 1996

Scanning beam collimation method for measuring dynamic angle variations using an acousto-optic deflector

LiJiang Zeng, Hirokazu Matsumoto, Keiji Kawachi

OE, Vol. 35, Issue 06, (June 1996) https://doi.org/10.1117/12.10.1117/1.601007

KEYWORDS: Mirrors, Position sensors, Collimation, Autocollimators, Reflectors, Ferroelectric materials, Calibration, Motion measurement, Acousto-optics, Diffraction

Proceedings Article | 1 April 1996 Paper

High-resolution distance meter using optical modulators at 3.5 GHz

Ichiro Fujima, Katuo Seta, Hirokazu Matsumoto, Hisashi Yoshida

Proceedings Volume 2684, (1996) https://doi.org/10.1117/12.236947

KEYWORDS: Modulation, Phase measurement, Optical modulators, Phase shift keying, Modulators, Interferometers, Electro optics, Distance measurement, Semiconductor lasers, Helium neon lasers

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SPIE Journal Paper | 1 February 1996

High-resolution method for measuring the torsional deformation of a dragonfly wing by combining a displacement probe with an acousto-optic deflector

LiJiang Zeng, Hirokazu Matsumoto, Shigeru Sunada, Keiji Kawachi

OE, Vol. 35, Issue 02, (February 1996) https://doi.org/10.1117/12.10.1117/1.600924

KEYWORDS: Motion measurement, Acousto-optics, Position sensors, Beam shaping, Video, Spatial resolution, Laser beam diagnostics, Sensors, High speed cameras, Cameras

SPIE Journal Paper | 1 February 1996

Touchless interferometric dimension comparator

Marek Dobosz, Hirokazu Matsumoto, Shige Iwasaki

OE, Vol. 35, Issue 02, (February 1996) https://doi.org/10.1117/12.10.1117/1.600920

KEYWORDS: Interferometers, Interferometry, Mirrors, Beam splitters, Semiconductor lasers, Prisms, Reflectors, Calibration, Light sources, Metrology

SPIE Journal Paper | 1 April 1995

Two-dimensional, noncontact measurement of the natural frequencies of dragonfly wings using a quadrant position sensor

LiJiang Zeng, Hirokazu Matsumoto, Shigeru Sunada, Takeshi Ohnuki, Keiji Kawachi

OE, Vol. 34, Issue 04, (April 1995) https://doi.org/10.1117/12.10.1117/12.197080

KEYWORDS: Position sensors, Signal detection, Sensors, Reflectivity, Microscopes, Objectives, Electroluminescence, Spectrum analysis, Veins, Doppler effect

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SPIE Journal Paper | 1 February 1995

Beamsplitter path equalization for white-light interferometry

Marek Dobosz, Hirokazu Matsumoto, Shige Iwasaki

OE, Vol. 34, Issue 02, (February 1995) https://doi.org/10.1117/12.10.1117/12.188618

KEYWORDS: Beam splitters, Interferometers, Interferometry, Glasses, Semiconductor lasers, Radon, Fringe analysis, Prisms, Refractive index, Modulation

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Proceedings Article | 4 October 1994 Paper

Two-dimensional vibration measurement by using a quadrant position sensor

LiJiang Zeng, Hirokazu Matsumoto, Shigeru Sunada, Takeshi Ohnuki, Keiji Kawachi

Proceedings Volume 2264, (1994) https://doi.org/10.1117/12.188874

KEYWORDS: Position sensors, Microscopes, Sensors, Vibrometry, Reflectivity, Vibration control, Mechanics, Doppler effect, Signal detection, Light scattering

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Proceedings Article | 20 October 1992 Paper

Absolute surface measurements of processed material using two-color lasers

Hirokazu Matsumoto

Proceedings Volume 1720, (1992) https://doi.org/10.1117/12.132163

KEYWORDS: Interferometers, Materials processing, Interferometry, Surface roughness, Phase interferometry, Refractive index, Metals, Ion beams, Helium neon lasers, Laser processing

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