Mr. Toshinobu Takashi Profile

Toshinobu Takashi

at Tokyo Univ. of Science

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Author

Publications (5)

Proceedings Article | 11 March 2024 Paper

Detection of phase change of light using photorefractive liquid crystals and their application to laser ultrasonics

Takeo Sasaki, Toshinobu Takashi, Yukihiro Ishii, Khoa Van Le, Yumiko Naka

Proceedings Volume 12883, 1288305 (2024) https://doi.org/10.1117/12.3005672

KEYWORDS: Laser ultrasonics, Liquid crystals, Laser irradiation, Vibration, Reflection, Pulse signals, Acoustic waves, Refractive index

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Proceedings Article | 29 September 2023 Poster + Paper

Laser ultrasonics using photorefractive liquid crystals

Takeo Sasaki, Toshinobu Takashi, Kaita Suzuki, Gouta Ikeda, Miku Nagaoka, Yukihiro Ishii, Khoa Van Le, Yumiko Naka

Proceedings Volume 12658, 126580J (2023) https://doi.org/10.1117/12.2676230

KEYWORDS: Laser ultrasonics, Liquid crystals, Laser irradiation, Vibration, Pulsed laser operation, Aluminum, Reflection, Pulse signals, Acoustic waves, Refractive index

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Proceedings Article | 31 May 2023 Presentation + Paper

Laser ultrasonics for measurement of the thickness of metal plates using a photorefractive liquid crystal

Takeo Sasaki, Toshinobu Takashi, Gouta Ikeda, Junko Watanabe, Miku Nagaoka, Shinnosuke Yamazaki, Yumiko Naka, Khoa Van Le

Proceedings Volume 12574, 1257408 (2023) https://doi.org/10.1117/12.2664898

KEYWORDS: Liquid crystals, Laser ultrasonics, Aluminum, Vibration, Photorefraction, Electric fields, Signal intensity, Acoustic waves, Mixtures, Laser irradiation

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Proceedings Article | 3 October 2022 Presentation + Paper

Photorefractive effect of smectic liquid crystals and their application to laser ultrasonic remote sensing

Takeo Sasaki, Takaaki Yagami, Toshinobu Takashi, Kaita Suzuki, Gouta Ikeda, Yukihiro Ishii, Khoa Le, Yumiko Naka

Proceedings Volume 12207, 1220702 (2022) https://doi.org/10.1117/12.2633374

KEYWORDS: Liquid crystals, Ultrasonics, Photorefraction, Refractive index, Aluminum, Wave plates, Laser irradiation, Holograms, Environmental sensing, Electrons

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Proceedings Article | 24 May 2022 Presentation + Paper

Photorefractive effect of smectic liquid crystals and their application to laser ultrasonic remote sensing

Takeo Sasaki, Takaaki Yagami, Toshinobu Takashi, Khoa Van Le, Yumiko Naka

Proceedings Volume 12151, 121510B (2022) https://doi.org/10.1117/12.2620786

KEYWORDS: Liquid crystals, Ultrasonics, Photorefraction, Remote sensing, Refractive index, Aluminum, Wave plates, Pulsed laser operation, Laser irradiation, Electrons

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