Dr. Toshiyuki Takatsuji Profile

Dr. Toshiyuki Takatsuji

at AIST

SPIE Involvement:

Author

Proceedings Article | 17 July 2015 Paper

Evaluation of resolution performance of high energy x-ray CT

Makoto Abe, Hiroyuki Fujimoto, Osamu Sato, Katsutoshi Sato, Toshiyuki Takatsuji

Proceedings Volume 9524, 95241M (2015) https://doi.org/10.1117/12.2189513

KEYWORDS: X-rays, X-ray computed tomography, Tungsten, X-ray imaging, 3D image reconstruction, 3D image processing, Prototyping, Signal attenuation, Imaging systems, Sensors

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Proceedings Article | 14 September 2011 Paper

Multi-probe system comprising three laser interferometers and one autocollimator for measuring flat bar mirror profile with nanometer accuracy on a high-precision micro-coordinate measuring machine

Ping Yang, Tomohiko Takamura, Satoru Takahashi, Kiyoshi Takamasu, Osamu Sato, Sonko Osawa, Toshiyuki Takatsuji

Proceedings Volume 8133, 81330T (2011) https://doi.org/10.1117/12.892385

KEYWORDS: Mirrors, Interferometers, Autocollimators, Laser stabilization, Sensors, Laser systems engineering, Motion measurement, Beam splitters, Receivers, Lasers

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Proceedings Article | 29 August 2008 Open Access

Standardization of noncontact 3D measurement

Toshiyuki Takatsuji, Sonko Osawa, Osamu Sato

Proceedings Volume 7066, 706602 (2008) https://doi.org/10.1117/12.797968

KEYWORDS: Standards development, Manufacturing, Calibration, Tin, 3D imaging standards, Metrology, Coating, 3D metrology, Chromium, Reflectivity

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Proceedings Article | 14 August 2006 Paper

Absolute interferometry for surface shapes with large steps by wavelength tuning with a mechanical phase shift

Kenichi Hibino, Yosuke Tani, Toshiyuki Takatsuji, Youichi Bitou, Shinichi Warisawa, Mamoru Mitsuishi

Proceedings Volume 6292, 62920Q (2006) https://doi.org/10.1117/12.679314

KEYWORDS: Interferometry, Ferroelectric materials, Phase shifts, Wavelength tuning, Phase measurement, Phase interferometry, Fizeau interferometers, Beam splitters, Profiling, Silica

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Proceedings Article | 19 August 2005 Paper

Performance assessment of involute gear measurement by CMM using a double-ball artifact

Toshiyuki Takatsuji, Koshi Kondo, Aizo Kubo, Frank Haertig, Sonko Osawa, Kazuya Naoi, Tomizo Kurosawa, Masaharu Komori

Proceedings Volume 5879, 58790Q (2005) https://doi.org/10.1117/12.614851

KEYWORDS: Calibration, Metrology, Manufacturing, Glasses, Data acquisition

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Proceedings Article | 18 August 2005 Paper

Phase-shifting laser diode interferometry with equal phase steps using a Fabry-Perot cavity

Youichi Bitou, Hajime Inaba, Feng-Lei Hong, Toshiyuki Takatsuji, Atsushi Onae

Proceedings Volume 5879, 58790Y (2005) https://doi.org/10.1117/12.613881

KEYWORDS: Fabry–Perot interferometers, Phase shifts, Interferometers, Modulation, Semiconductor lasers, Interferometry, Ferroelectric materials, Phase measurement, Phase interferometry, Mirrors

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Proceedings Article | 18 August 2005 Paper

First domestic comparison of ball plate calibration in Japan

Sonko Osawa, Toshiyuki Takatsuji, Tomizo Kurosawa

Proceedings Volume 5879, 58790U (2005) https://doi.org/10.1117/12.613856

KEYWORDS: Calibration, Standards development, Metrology, Relays, Ceramics, Interferometers, Manufacturing, Photography, Dysprosium, Temperature metrology

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Proceedings Article | 20 November 2003 Paper

Stability of the reference flat used in Fizeau interferometer and its contribution to measurement uncertainty

Toshiyuki Takatsuji, Sonko Osawa, Yutaka Kuriyama, Tomizo Kurosawa

Proceedings Volume 5190, (2003) https://doi.org/10.1117/12.505537

KEYWORDS: Finite element methods, Calibration, Ferroelectric materials, Fizeau interferometers, Aluminum, Phase measurement, Interferometers, Cameras, Spatial frequencies, Silica

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SPIE Journal Paper | 1 March 2002

High-performance laser tracker using an articulating mirror for the calibration of coordinate measuring machine

Hong Jiang, Sonko Osawa, Toshiyuki Takatsuji, Hironori Noguchi, Tomizo Kurosawa

OE, Vol. 41, Issue 03, (March 2002) https://doi.org/10.1117/12.10.1117/1.1447231

KEYWORDS: Mirrors, Retroreflectors, Calibration, Interferometers, Optical spheres, Optical tracking, Signal detection, Uncertainty analysis, Distance measurement, Beam splitters

Proceedings Article | 30 October 2001 Paper

Wavefront sensing of a rear-surface reflection through a transparent media suppressing multiple-beam interference effect

Kenichi Hibino, Toshiyuki Takatsuji, Sonko Osawa, Tomizo Kurosawa

Proceedings Volume 4596, (2001) https://doi.org/10.1117/12.447367

KEYWORDS: Reflection, Glasses, Profiling, Refractive index, Interference (communication), Interferometers, Phase measurement, Modulation, Phase shifts, Fizeau interferometers

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Proceedings Article | 22 October 2001 Paper

Evaluation of the performance of a novel laser tracker used for coordinate measurements

Sonko Osawa, Toshiyuki Takatsuji, Jiang Hong, Hironori Noguchi, Tomizo Kurosawa

Proceedings Volume 4401, (2001) https://doi.org/10.1117/12.445613

KEYWORDS: Mirrors, Retroreflectors, Interferometers, Optical spheres, Laser systems engineering, Calibration, Laser development, Signal detection, 3D metrology, Optical fibers

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Proceedings Article | 22 October 2001 Paper

Japanese ultimate flatness interferometer (FUJI) and its preliminary experiment

Toshiyuki Takatsuji, Nobuaki Ueki, Kenichi Hibino, Sonko Osawa, Tomizo Kurosawa

Proceedings Volume 4401, (2001) https://doi.org/10.1117/12.445643

KEYWORDS: Interferometers, Collimators, CCD cameras, Silica, Ferroelectric materials, Nanoimprint lithography, Wave plates, Zerodur, Silicon, Semiconducting wafers

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Proceedings Article | 6 July 1998 Paper

Laser-tracking interferometer system based on trilateration and a restriction on the position of its laser trackers

Toshiyuki Takatsuji, Yoshihiko Koseki, Mitsuo Goto, Tomizo Kurosawa, Yoshihisa Tanimura

Proceedings Volume 3479, (1998) https://doi.org/10.1117/12.316463

KEYWORDS: Interferometers, Retroreflectors, Calibration, Eye, Detection and tracking algorithms, Laser systems engineering, Laser development, Distance measurement, Head, Laser metrology

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Proceedings Article | 14 June 1995 Paper

Simultaneous measurements of vector components of displacement by ESPI and FFT techniques

Toshiyuki Takatsuji, Bozenko Oreb, David Farrant, Philip Fairman

Proceedings Volume 2544, (1995) https://doi.org/10.1117/12.211870

KEYWORDS: Speckle, Fourier transforms, Modulation, Speckle pattern, Interferometry, Light scattering, Image processing, Electronic components, Image filtering, Cameras

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Showing 5 of 14 publications

Conference Committee Involvement (8)

Optical Technology and Measurement for Industrial Applications Conference 2022

18 April 2022 | Yokohama, Japan

Optical Technology and Measurement for Industrial Applications Conference

20 April 2021 | Online, Japan

Optical Technology and Measurement for Industrial Applications Conference

22 April 2020 | Yokohama, Japan

Optical Technology and Measurement for Industrial Applications Conference

23 April 2019 | Yokohama, Japan

Optical Inspection and Metrology for Non-Optics Industries

3 August 2009 | San Diego, California, United States

Showing 5 of 8 Conference Committees

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