Dr. Ichirou Yamaguchi Profile

Dr. Ichirou Yamaguchi

Scientist Emeritus of RIKEN

SPIE Involvement:

Author

Publications (65)

Proceedings Article | 7 September 2018 Paper

Digital simulation of speckle patterns

Ichirou Yamaguchi

Proceedings Volume 10834, 1083409 (2018) https://doi.org/10.1117/12.2318655

KEYWORDS: Speckle, Speckle pattern, Surface roughness, Diffraction, Superposition, Spherical lenses, Holography, Wavelets, Light wave propagation, Fringe analysis

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Proceedings Article | 11 September 2012 Paper

Speckle displacement for general object deformaton of a curved surface

I. Yamaguchi

Proceedings Volume 8413, 841307 (2012) https://doi.org/10.1117/12.978998

KEYWORDS: Speckle, Charge-coupled devices, Optical spheres, Diffraction, Spherical lenses, Computer simulations, Numerical simulations, Surface roughness, Superposition, Digital photography

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Proceedings Article | 3 November 2011 Paper

Speckle displacement in holographic and speckle metrology

Ichirou Yamaguchi, Koichi Kobayashi

Proceedings Volume 8011, 80118D (2011) https://doi.org/10.1117/12.903611

KEYWORDS: Speckle, Digital holography, Diffraction, Speckle pattern, Holography, Correlation function, Holograms, Speckle interferometry, Charge-coupled devices, Photography

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Proceedings Article | 14 September 2010 Paper

Measurement of vegetable growth by laser-speckle correlation

Koichi Kobayashi, Hirofumi Kadono, Ichirou Yamaguchi

Proceedings Volume 7387, 73870G (2010) https://doi.org/10.1117/12.871220

KEYWORDS: Speckle, Charge-coupled devices, Coating, Metals, Laser marking, Speckle pattern, Optical correlators, Semiconductor lasers, Reflectivity, Glasses

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SPIE Journal Paper | 1 January 2010

Monitoring and evaluation of drying of paint by using phase-shifting digital holography

Masayuki Yokota, Toru Adachi, Ichirou Yamaguchi

OE, Vol. 49, Issue 01, 015801, (January 2010) https://doi.org/10.1117/12.10.1117/1.3284783

KEYWORDS: 3D image reconstruction, Phase shifts, Digital holography, Aluminum, Holograms, Charge-coupled devices, Speckle pattern, Silver, Optical engineering, Digital image processing

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SPIE Journal Paper | 1 August 2009

Speckle noise suppression in measurement by phase-shifting digital holography

Ichirou Yamaguchi, Masayuki Yokota

OE, Vol. 48, Issue 08, 085602, (August 2009) https://doi.org/10.1117/12.10.1117/1.3204687

KEYWORDS: Digital holography, Speckle, Phase shifts, Charge-coupled devices, Optical filters, Optical engineering, Interferometry, Metals, Fringe analysis, Computer simulations

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Proceedings Article | 13 October 2008 Paper

Measurement and testing by digital speckle correlation

Ichirou Yamaguchi

Proceedings Volume 7129, 71290Z (2008) https://doi.org/10.1117/12.807376

KEYWORDS: Speckle, Digital holography, Speckle pattern, Surface roughness, Diffraction, Optical correlators, 3D metrology, Charge-coupled devices, Fringe analysis, Speckle interferometry

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Proceedings Article | 3 October 2008 Paper

Speckle noise suppression in shape and deformation measurements by phase-shifting digital holography

Ichirou Yamaguchi

Proceedings Volume 7155, 71551D (2008) https://doi.org/10.1117/12.814549

KEYWORDS: Digital holography, Speckle, Phase shifts, Charge-coupled devices, Interferometry, Phase shift keying, Holographic interferometry, Computer simulations, Metals, Shape analysis

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Proceedings Article | 22 April 2008 Paper

Correlation techniques in speckle metrology and digital holography

Ichirou Yamaguchi

Proceedings Volume 7008, 70081E (2008) https://doi.org/10.1117/12.797343

KEYWORDS: Speckle, Digital holography, Speckle pattern, Charge-coupled devices, Holograms, Phase shifts, Diffraction, Correlation function, Surface roughness, Optical correlators

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SPIE Journal Paper | 1 May 2007

Polarization analysis with digital holography by use of polarization modulation for single reference beam

Masayuki Yokota, Yoshitaka Terui, Ichirou Yamaguchi

OE, Vol. 46, Issue 05, 055801, (May 2007) https://doi.org/10.1117/12.10.1117/1.2740601

KEYWORDS: Polarization, Digital holography, Holograms, 3D image reconstruction, Polarization analysis, Polarizers, Charge-coupled devices, Switching, Modulation, Photoelasticity

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Proceedings Article | 15 September 2006 Paper

Material testing by digital speckle correlation

Ichirou Yamaguchi, Takashi Ida, Masayuki Yokota, Koichi Kobayashi

Proceedings Volume 6341, 63410D (2006) https://doi.org/10.1117/12.695274

KEYWORDS: Speckle, Head, Speckle pattern, Semiconductor lasers, Computer programming, CCD cameras, Optical correlators, Laser marking, Image sensors, Charge-coupled devices

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Proceedings Article | 14 August 2006 Paper

Whole-field polarization analysis by digital holography with single reference beam

Masayuki Yokota, Yoshitaka Terui, Ichirou Yamaguchi

Proceedings Volume 6293, 62930M (2006) https://doi.org/10.1117/12.681953

KEYWORDS: Polarization, Digital holography, Holograms, 3D image reconstruction, Charge-coupled devices, Switching, Polarizers, Polarization analysis, Polymethylmethacrylate, Photoelasticity

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Proceedings Article | 14 August 2006 Paper

Surface shape measurement by phase-shifting digital holography with dual wavelengths

Ichirou Yamaguchi, Takashi Ida, Masayuki Yokota

Proceedings Volume 6292, 62920V (2006) https://doi.org/10.1117/12.681970

KEYWORDS: Charge-coupled devices, Phase shifts, Digital holography, 3D image reconstruction, Holograms, 3D displays, Semiconductor lasers, Computer simulations, Interferometry, Mirrors

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Proceedings Article | 7 March 2006 Paper

Image formation in phase-shifting digital holography

Ichirou Yamaguchi, Jun-ichi Kato, Sohgo Ohta, Junko Mizuno

Proceedings Volume 4101, (2006) https://doi.org/10.1117/12.498395

KEYWORDS: Charge-coupled devices, Digital holography, 3D image reconstruction, Phase shifts, Image acquisition, Reconstruction algorithms, CCD cameras, Image resolution, Fringe analysis, 3D image processing

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Proceedings Article | 20 January 2006 Paper

Whole-field analysis of polarization state by digital holography with a fiber Faraday rotator

Masayuki Yokota, Yoshitaka Terui, Ichirou Yamaguchi

Proceedings Volume 6027, 602726 (2006) https://doi.org/10.1117/12.668198

KEYWORDS: Polarization, Glasses, Digital holography, Flint glass, Holograms, Charge-coupled devices, 3D image reconstruction, Holography, Modulation, Polarizers

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Proceedings Article | 18 August 2005 Paper

Development of a non-contacting extensometer using digital speckle correlation

Ichirou Yamaguchi, Koichi Kobayashi, Takashi Ida, Masayuki Yokota

Proceedings Volume 5880, 58800E (2005) https://doi.org/10.1117/12.618290

KEYWORDS: Speckle, Head, Image sensors, Laser marking, Speckle pattern, Optical tracking, Cameras, Computer programming, Semiconductor lasers, Fourier transforms

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Proceedings Article | 11 January 2005 Paper

Point spread functions of digital reconstruction of digitally recorded holograms

Leonid Yaroslavsky, Fucai Zhang, Ichirou Yamaguchi

Proceedings Volume 5642, (2005) https://doi.org/10.1117/12.579338

KEYWORDS: Point spread functions, Holograms, Reconstruction algorithms, Digital holography, Wavefronts, Convolution, Fourier transforms, Diffraction, Digital recording, Cameras

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Proceedings Article | 11 January 2005 Paper

Systematic approach for the design of reconstruction algorithm in digital holography

Fucai Zhang, Ichirou Yamaguchi, Leonid Yaroslavsky

Proceedings Volume 5642, (2005) https://doi.org/10.1117/12.576104

KEYWORDS: Reconstruction algorithms, Charge-coupled devices, Holograms, Digital holography, Convolution, Diffraction, Wavefronts, Fourier transforms, Optical design, Algorithm development

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Proceedings Article | 11 January 2005 Paper

Image formation and measurement of surface shape and deformation by phase-shifting digital holography

Ichirou Yamaguchi

Proceedings Volume 5642, (2005) https://doi.org/10.1117/12.565076

KEYWORDS: Digital holography, Phase shifts, Charge-coupled devices, Speckle, Holograms, 3D image reconstruction, Holographic interferometry, Digital imaging, Image acquisition, CCD cameras

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SPIE Journal Paper | 1 November 2004

Measurement of surface roughness by speckle correlation

Ichirou Yamaguchi, Koichi Kobayashi, Leonid Yaroskavsky

OE, Vol. 43, Issue 11, (November 2004) https://doi.org/10.1117/12.10.1117/1.1797851

KEYWORDS: Surface roughness, Speckle, Speckle pattern, Numerical simulations, Metals, Optical engineering, Fourier transforms, Solids, Charge-coupled devices, Computer simulations

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Proceedings Article | 2 August 2004 Paper

Surface roughness measurement by digital speckle correlation

Ichirou Yamaguchi, Koichi Kobayashi, Leonid Yaroslavsky

Proceedings Volume 5532, (2004) https://doi.org/10.1117/12.560817

KEYWORDS: Surface roughness, Speckle, Metals, Speckle pattern, Charge-coupled devices, Fourier transforms, Numerical simulations, Solids, Algorithm development, Digital holography

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Proceedings Article | 19 November 2003 Paper

Measurement of surface shape and deformation by phase-shifting image digital holography

Ichirou Yamaguchi, Jun-ichi Kato, Hirokazu Matsuzaki

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.525858

KEYWORDS: Digital holography, Phase shifts, Speckle, Digital imaging, Beam splitters, Mirrors, Charge-coupled devices, Ferroelectric materials, Optical engineering, Mechanical engineering

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Proceedings Article | 27 May 2003 Paper

Fundamentals and applications of speckle

Ichirou Yamaguchi

Proceedings Volume 4933, (2003) https://doi.org/10.1117/12.516567

KEYWORDS: Speckle, Diffraction, Speckle pattern, Surface roughness, Photography, Laser marking, Charge-coupled devices, Speckle interferometry, Diffusers, Fringe analysis

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SPIE Journal Paper | 1 May 2003

Measurement of surface shape and deformation by phase-shifting image digital holography

Ichirou Yamaguchi, Jun-ichi Kato, Hirokazu Matsuzaki

OE, Vol. 42, Issue 05, (May 2003) https://doi.org/10.1117/12.10.1117/1.1566778

KEYWORDS: Digital holography, Phase shifts, Digital imaging, Imaging systems, Speckle, Interferometry, 3D image reconstruction, Charge-coupled devices, Mirrors, 3D image processing

Proceedings Article | 19 June 2002 Paper

Measurement of surface shape and deformation by phase-shifting image digital holography

Ichirou Yamaguchi, Jun-ichi Kato, Hirokazu Matsuzaki

Proceedings Volume 4778, (2002) https://doi.org/10.1117/12.473542

KEYWORDS: Digital holography, Phase shifts, Speckle, Digital imaging, Imaging systems, Interferometry, Charge-coupled devices, Surface roughness, Mechanical engineering, CCD cameras

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Proceedings Article | 5 February 2002 Paper

Three-dimensional microscopy and measurement by phase-shifting digital holography

Ichirou Yamaguchi

Proceedings Volume 4607, (2002) https://doi.org/10.1117/12.455184

KEYWORDS: Digital holography, Charge-coupled devices, Phase shifts, 3D image reconstruction, Microscopy, Image quality, Holography, Holograms, Image resolution, CCD cameras

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Proceedings Article | 13 June 2001 Paper

Holography, speckle, and computers

Ichirou Yamaguchi

Proceedings Volume 4317, (2001) https://doi.org/10.1117/12.429610

KEYWORDS: Speckle, Computing systems, Digital holography, Charge-coupled devices, Fringe analysis, Photography, Holographic interferometry, Speckle pattern, Holography, CCD cameras

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Proceedings Article | 8 May 2001 Paper

Measurements of Benard-Marangoni waves using phase-shifting digital holography

Osamu Inomoto, Ichirou Yamaguchi

Proceedings Volume 4416, (2001) https://doi.org/10.1117/12.427029

KEYWORDS: Digital holography, Phase shifts, Convection, CCD cameras, 3D image reconstruction, Fluid dynamics, Spatial resolution, Silicon, Temperature metrology, Visualization

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Proceedings Article | 15 December 2000 Paper

Phase-shifting digital holography and applications

Ichirou Yamaguchi

Proceedings Volume 4087, (2000) https://doi.org/10.1117/12.406353

KEYWORDS: Charge-coupled devices, Phase shifts, Digital holography, 3D image reconstruction, Reconstruction algorithms, Holograms, Microscopy, Microscopes, CCD cameras, Mirrors

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SPIE Journal Paper | 1 January 2000

Surface topography by wavelength scanning interferometry

Ichirou Yamaguchi, Akihiro Yamamoto, Masaru Yano

OE, Vol. 39, Issue 01, (January 2000) https://doi.org/10.1117/12.10.1117/1.602333

KEYWORDS: Mirrors, Interferometry, Interferometers, Fizeau interferometers, Michelson interferometers, Surface finishing, Imaging systems, Fourier transforms, Reflectivity, Optical engineering

Proceedings Article | 11 November 1999 Paper

Mirror surface testing by optical feedback interferometry using laser diode

Jiyuan Liu, Ichirou Yamaguchi

Proceedings Volume 3782, (1999) https://doi.org/10.1117/12.369218

KEYWORDS: Mirrors, Interferometers, Semiconductor lasers, Fringe analysis, Optical benches, Optical testing, Spherical lenses, Optical isolators, Optical spheres, Interferometry

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Proceedings Article | 11 November 1999 Paper

Separate measurement of geometrical thickness and refractive index by an interference confocal microscope

Takashi Fukano, Ichirou Yamaguchi

Proceedings Volume 3897, (1999) https://doi.org/10.1117/12.369325

KEYWORDS: Refractive index, Confocal microscopy, Interferometry, Mirrors, Signal detection, Glasses, Interferometers, Heterodyning, Modulation, Microscopes

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Proceedings Article | 17 August 1999 Paper

Surface shape measurement of tilted surfaces by wavelength scanning interferometry

Akihiro Yamamoto, Ichirou Yamaguchi, Masaru Yano

Proceedings Volume 3745, (1999) https://doi.org/10.1117/12.357799

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Proceedings Article | 13 August 1999 Paper

Robust interferometry using optical feedback of a laser diode

Ichirou Yamaguchi, Jiyuan Liu

Proceedings Volume 3744, (1999) https://doi.org/10.1117/12.357736

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Proceedings Article | 19 July 1999 Paper

Phase-shifting digital holography with applications to microscopy and interferometry

Ichirou Yamaguchi

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354822

KEYWORDS: Phase shifts, Charge-coupled devices, Digital holography, Holograms, Microscopy, Interferometry, 3D image reconstruction, CCD cameras, Image resolution, Holography

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