Ohkawa Masashi

Research field (1)： Electronic devices and equipment

Research theme for competitive and other funds (16)：

2022 - 2025 防・減災を目的としたインフラサウンド検出のための光波利用センシングシステムの開発
2018 - 2021 Compact and high-sensitive pressure sensors with semi-closed structures for detecting slight pressure fluctuation due to tsunami generation
2014 - 2017 Guided-wave optical acoustic emission sensor and its obsevation system
2013 - 2016 Fast physical random number generation making use of frequency noise characteristics of a vertical cavity surface emitting lasers
2010 - 2012 Development of guided-wave optical sensors with a micromechanical structure and its design support system

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Papers (143)：

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MISC (152)：

石井千皓, 中川瑞輝, 大河正志, 鈴木孝昌. Light Scattering and Reflection Characteristics Measurement System Using Michelson Interferometer-Measurement of Amplitude Reflectance of Glass Surfaces for Operation Test-. Optics & Photonics Japan講演予稿集(CD-ROM). 2022. 2022
Output responses of narrow-band guided-wave optical Acoustic Emission (AE) sensor. 2015. 32. 1-4
Output Response in guided-wave optical pressure sensor using semi-closed space under diaphragm. 2015. 32. 1-4
FEM Analysis on Sensor Sensitivity in a Silicon-Based Guided-Wave Optical Accelerometer : Sensitivity Dependences on Waveguide Position and Diaphragm Thickness. 2015. 32. 1-4
T. Saito, K. Kondo, Y. Tokutake, S. Maehara, K. Doi, H. Arai, T. Sato, M. Ohkawa, Y. Ohdaira, S. Sakamoto. Optical range finder using semiconductor laser frequency noise. Proceedings of SPIE - The International Society for Optical Engineering. 2015. 9576

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Books (1)：

Awards (1)：

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