Mr. Ryouta Machida Profile

Ryouta Machida

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Publications (2)

Proceedings Article | 30 September 2024 Presentation + Paper

Inspection of internal structures of objects by laser ultrasonics using photorefractive liquid crystals

Takeo Sasaki, Ryoji Masuzawa, Ryouta Machida, Yoshikaze Umebayashi, Miku Nagaoka, Junko Watanabe, Khoa Van Le, Yumiko Naka

Proceedings Volume 13121, 1312107 (2024) https://doi.org/10.1117/12.3026072

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

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Proceedings Article | 18 June 2024 Presentation + Paper

Preparation of fast-response photorefractive liquid crystals and their application to coaxial optical laser ultrasonics

Takeo Sasaki, Miku Nagaoka, Junko Watanabe, Yoshikaze Umebayashi, Ryouta Machida, Ryoji Masuzawa, Yumiko Naka, Khoa Le

Proceedings Volume 13015, 130150X (2024) https://doi.org/10.1117/12.3022041

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

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