Mr. Ryotaro Uchimura Profile

Ryotaro Uchimura

at National Defense Academy of Japan

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Author

Publications (4)

Proceedings Article | 1 July 2015 Paper

Temperature and strain measurement by using cascaded chirped long period fiber gratings

Thanh Tung Ngo, Osamu Tsukida, Satoshi Tanaka, Ryoutarou Uchimura, Atsushi Wada, Nobuaki Takahashi

Proceedings Volume 9655, 965537 (2015) https://doi.org/10.1117/12.2185241

KEYWORDS: Temperature metrology, Fourier transforms, Cladding, Signal attenuation, Transmittance, Phase shifts, Fiber optics tests, Fiber optics, Optical components, Fiber optic components

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Proceedings Article | 2 June 2014 Paper

Highly sensitive operation of intensity-based fiber-optic vibration sensor using cascaded long period fiber grating

Satoshi Tanaka, Osamu Tsukida, Makoto Takeuchi, Shingo Tekuramori, Ryotaro Uchimura, Atsushi Wada, Nobuaki Takahashi

Proceedings Volume 9157, 91571H (2014) https://doi.org/10.1117/12.2059466

KEYWORDS: Sensors, Transmittance, Fiber optics sensors, Cladding, Modulation, Signal attenuation, Fiber optics, Ferroelectric materials, Excimer lasers, Fabrication

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Proceedings Article | 2 June 2014 Paper

Performance of chirped-FBG Fabry-Perot interferometer sensor in pulse-position modulation scheme: large-signal operation

Shingo Tekuramori, Makoto Takeuchi, Ryotaro Uchimura, Osamu Tsukida, Atsushi Wada, Satoshi Tanaka, Nobuaki Takahashi

Proceedings Volume 9157, 91571B (2014) https://doi.org/10.1117/12.2059405

KEYWORDS: Sensors, Modulation, Fiber Bragg gratings, Fabry–Perot interferometry, Ferroelectric materials, Reflectivity, Laser Doppler velocimetry, Fabry–Perot interferometers, Optical fibers, Transmittance

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Proceedings Article | 2 June 2014 Paper

Simultaneous measurement of temperature and static strain using FBG Fabry-Perot interferometer in polarization maintaining fiber

R. Uchimura, A. Wada, S. Tekuramori, M. Takeuchi, O. Tukida, S. Tanaka, N. Takahashi

Proceedings Volume 9157, 91570U (2014) https://doi.org/10.1117/12.2058842

KEYWORDS: Temperature metrology, Sensors, Fiber Bragg gratings, Polarization, Transmittance, Fabry–Perot interferometry, Polarization maintaining fibers, Head, Refractive index, Single mode fibers

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