Mr. Hiroshi Tanaka Profile

Hiroshi Tanaka

at Hamamatsu Photonics KK

SPIE Involvement:

Author

Publications (5)

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 | 9 February 2007 Paper

LCOS spatial light modulator controlled by 12-bit signals for optical phase-only modulation

Takashi Inoue, Hiroshi Tanaka, Norihiro Fukuchi, Munenori Takumi, Naoya Matsumoto, Tsutomu Hara, Narihiro Yoshida, Yasunori Igasaki, Yuji Kobayashi

Proceedings Volume 6487, 64870Y (2007) https://doi.org/10.1117/12.699821

KEYWORDS: Liquid crystal on silicon, Wavefronts, Phase modulation, Modulation, Spatial light modulators, Distortion, Control systems, Diffraction, Phase shift keying, Liquid crystals

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