Dr. Yu Takiguchi Profile

Dr. Yu Takiguchi

at Hamamatsu Photonics K.K.

SPIE Involvement:

Author

Area of Expertise:

Spatial Light Modulator , Computer Generated Hologram , Point spread function calculation , Spectroscopy

Websites:

Company Website

Publications (14)

Proceedings Article | 13 March 2024 Presentation

Multi-spot polarization state encoded digital feedback system with phase-only spatial light modulators for cyber-physical laser processing system

Yu Takiguchi, Naoaki Kato, Keisuke Uchida, Tomoko Otsu-Hyodo, Kazuhiro Nakamura, Munenori Takumi, Hiroshi Tanaka, Haruyoshi Toyoda

Proceedings Volume PC12903, PC129030Q (2024) https://doi.org/10.1117/12.3004854

KEYWORDS: Polarization, Laser processing, Spatial light modulators, Laser systems engineering, Digital Light Processing, Internet of things, Holography, Phase shift keying, Optical signal processing, Manufacturing

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Proceedings Article | 11 March 2024 Presentation + Paper

C-axis determination of a uniaxial crystal with high-repeatability common-path heterodyne retardation measurement

Naoaki Kato, Yu Takiguchi, Kazuhiro Nakamura, Hiroshi Tanaka

Proceedings Volume 12893, 1289306 (2024) https://doi.org/10.1117/12.2691996

KEYWORDS: Sapphire, Crystals, Heterodyning, Polarizers, Polarization, Interferometers, Refractive index, Birefringence

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Proceedings Article | 14 March 2023 Presentation + Paper

Characteristics of large active area, phase-only spatial light modulator with dielectric mirror

Hiroshi Tanaka, Yu Takiguchi, Tsubasa Watanabe, Naoaki Kato, Keisuke Uchida, Munenori Takumi, Tomoko Otsu-Hyodo, Kazuhiro Nakamura, Hiroaki Ishii, Atsushi Ihori, Yoshiki Akizawa, Hirokazu Asaine, Mikio Nagata, Yoshiyuki Ohtake, Haruyoshi Toyoda

Proceedings Volume 12442, 124420D (2023) https://doi.org/10.1117/12.2649460

KEYWORDS: Laser processing, Spatial light modulators, Liquid crystals, Phase modulation, Dielectric mirrors, Manufacturing, Laser irradiation, Laser systems engineering, Quantum technologies, High power lasers

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Proceedings Article | 5 March 2021 Presentation + Paper

High laser power resistance phase-only spatial light modulator for laser processing cyber-physical system

Yu Takiguchi, Hiroshi Tanaka, Tsubasa Watanabe, Hirokazu Asaine, Naohisa Mukozaka, Yoshiyuki Ohtake, Haruyoshi Toyoda

Proceedings Volume 11673, 1167305 (2021) https://doi.org/10.1117/12.2577330

KEYWORDS: Laser processing, Liquid crystals, Wavefronts, Spatial light modulators, Phase shift keying, Laser systems engineering, Phase modulation, Modulation, Polarization

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Proceedings Article | 24 February 2020 Paper

Zero-order-free 2D beam pattern projecting on-chip lasers

Kazuyoshi Hirose, Yoshitaka Kurosaka, Yu Takiguchi, Takahiro Sugiyama, Soh Uenoyama, Yoshiro Nomoto, Hiroki Kamei

Proceedings Volume 11300, 1130009 (2020) https://doi.org/10.1117/12.2543637

KEYWORDS: 3D metrology, Modulation, Diffraction, Switching, Phase modulation, Phase shift keying, Holography, Phase shifts, Light sources, Semiconductor lasers

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Proceedings Article | 21 February 2020 Paper

Designing diffractive arbitrary shaped top-hat beam in non-paraxial systems

Hiroto Sakai, Yu Takiguchi, Yoshiyuki Ohtake

Proceedings Volume 11306, 113060J (2020) https://doi.org/10.1117/12.2544526

KEYWORDS: Beam shaping, Objectives, Point spread functions, Spatial light modulators, Gaussian beams, Optical design, Transmittance, Photovoltaics, Laser processing, Modulation

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Proceedings Article | 24 April 2018 Paper

Evaluation of Laguerre-Gaussian beam generated with integrable phase-modulating surface-emitting lasers

Yu Takiguchi, Kazuyoshi Hirose, Takahiro Sugiyama, So Uenoyama, Yoshiro Nomoto, Yoshitaka Kurosaka

Proceedings Volume 10712, 107120P (2018) https://doi.org/10.1117/12.2316413

KEYWORDS: Modulation, Resonators, Holograms, Phase modulation, Photonic crystals, Holography, Wavefronts, Semiconductor lasers, Laser resonators

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SPIE Journal Paper | 20 July 2017

Suppression of backside damage in nanosecond internal-focusing pulse laser dicing with wavefront modulation

Yu Takiguchi, Masaki Oyaizu, Makoto Nakano, Takashi Inoue, Haruyoshi Toyoda

OE, Vol. 56, Issue 07, 077109, (July 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.7.077109

KEYWORDS: Pulsed laser operation, Semiconducting wafers, Wavefronts, Modulation, Semiconductor lasers, Laser induced damage, Integrated circuits, Aberration correction, Sapphire, Objectives

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Proceedings Article | 18 April 2017 Paper

Holographic 3D multi-spot two-photon excitation for fast optical stimulation in brain

Yu Takiguchi, Haruyoshi Toyoda

Proceedings Volume 10251, 1025117 (2017) https://doi.org/10.1117/12.2271607

KEYWORDS: Holography, Brain, Holograms, Spatial light modulators, Neurons, Optical spheres, Calcium, Microscopes, Fourier transforms, Sensors

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Proceedings Article | 16 February 2017 Paper

Advanced wavefront correction of spatial light modulator under temperature-varying conditions

Yu Takiguchi, Tomoko Otsu-Hyodo, Takashi Inoue, Haruyoshi Toyoda

Proceedings Volume 10126, 101260J (2017) https://doi.org/10.1117/12.2248996

KEYWORDS: Wavefronts, Modulation, Temperature metrology, Liquid crystals, Distortion, Interferometry, Phase shift keying, Fourier transforms, Mirrors, Spatial light modulators

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Proceedings Article | 6 August 2014 Paper

Estimation of trapping position in three-dimensional off-axis trapping with optical vortices

Taro Ando, Tomoko Otsu, Yu Takiguchi, Yoshiyuki Ohtake, Haruyoshi Toyoda, Hiroyasu Itoh

Proceedings Volume 9232, 92320W (2014) https://doi.org/10.1117/12.2065644

KEYWORDS: Optical spheres, Glasses, Dielectrics, Optical vortices, Image sensors, Optical tweezers, Error analysis, Holography, Spatial light modulators, Photonics

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Proceedings Article | 12 March 2014 Paper

Numerical spherical aberration correction method using spatial light modulator under deep-part fluorescence observation

Yu Takiguchi, Hisayoshi Takamoto, Masamitsu Kanada, Takashi Inoue, Naoya Matsumoto, Susumu Terakawa

Proceedings Volume 8949, 89490C (2014) https://doi.org/10.1117/12.2038394

KEYWORDS: Luminescence, Monochromatic aberrations, Wavefronts, Aberration correction, Confocal microscopy, Liquid crystals, Image enhancement, Glasses, Spatial light modulators, Laser scanners

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Proceedings Article | 15 March 2013 Paper

Improvement of laser dicing system performance I: high-speed, high-quality processing of thick silicon wafers using spatial light modulator

Naoya Matsumoto, Yu Takiguchi, Haruyasu Itoh, Masaharu Hoshikawa, Hiroyuki Iwaki, Tsukasa Hasegawa, Makoto Nakano, Masaki Oyaizu, Takeshi Sakamoto, Takafumi Ogiwara, Takashi Inoue

Proceedings Volume 8608, 860805 (2013) https://doi.org/10.1117/12.2003639

KEYWORDS: Semiconducting wafers, Aberration correction, Silicon, Monochromatic aberrations, Laser processing, Semiconductor lasers, Spatial light modulators, Laser scanners, Wavefronts, Objectives

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Proceedings Article | 15 March 2013 Paper

Improvement of laser dicing performance II: dicing rate enhancement by multi beams and simultaneous aberration correction with phase-only spatial light modulator

Yu Takiguchi, Naoya Matsumoto, Masaki Oyaizu, Jyunji Okuma, Makoto Nakano, Takeshi Sakamoto, Haruyasu Itoh, Takashi Inoue

Proceedings Volume 8608, 860809 (2013) https://doi.org/10.1117/12.2003649

KEYWORDS: Semiconducting wafers, Wavefronts, Pulsed laser operation, Aberration correction, Spatial light modulators, Modulation, Laser processing, Objectives, Diffraction gratings, Liquid crystals

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Showing 5 of 14 publications

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