Mr. Yoshihisa Warashina Profile

Yoshihisa Warashina

at Hamamatsu Photonics KK

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Author

Publications (5)

Proceedings Article | 15 March 2023 Presentation + Paper

Development of room-temperature-operated InAsSb linear sensors with ROIC for 7-10 µm detection

Chihiro Suzuki, Hiroo Yamamoto, Daisuke Iida, Takayuki Kurashina, Yoshihisa Warashina

Proceedings Volume 12430, 124300S (2023) https://doi.org/10.1117/12.2650623

KEYWORDS: Image sensors, Resistance, Dark current, Quantum cascade lasers, Mid-IR, Signal to noise ratio, Readout integrated circuits, Pulse signals, Photodiodes, Photodetectors

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Proceedings Article | 4 March 2019 Paper

Grating-based ultra-compact SWNIR spectral sensor head developed through MOEMS technology

Takafumi Yokino, Katsuhiko Kato, Anna Ui, Shinichi Nakata, Toshiteru Suzuki, Ryosuke Abe, Shigeru Suzuki, Yoshihisa Warashina, Katsumi Shibayama, Koei Yamamoto

Proceedings Volume 10931, 1093108 (2019) https://doi.org/10.1117/12.2510472

KEYWORDS: Spectrometers, Reflection, Sensors, CMOS sensors, Mirrors, Stray light, Image sensors, Diffraction gratings, Diffraction

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Proceedings Article | 7 March 2014 Paper

MEMS based miniature FT-IR engine with built-in photodetector

Yoshihisa Warashina, Tomofumi Suzuki, Kohei Kasamori, Ryosuke Okumura, Yuki Matsuo, Mitsutaka Takemura

Proceedings Volume 8977, 89770E (2014) https://doi.org/10.1117/12.2038588

KEYWORDS: Mirrors, Photodetectors, Deep reactive ion etching, Silicon, Microelectromechanical systems, Beam splitters, FT-IR spectroscopy, Actuators, Etching, Photomasks

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SPIE Journal Paper | 1 November 1996

Single-mode fiber-compatible plastic-molded surface-contact receptacles

Yoshihisa Warashina, Takashi Iida, Tsuyoshi Ikeya, Mikio Kyomasu

OE, Vol. 35, Issue 11, (November 1996) https://doi.org/10.1117/12.10.1117/1.601050

KEYWORDS: Zirconium dioxide, GRIN lenses, Metals, Reliability, Connectors, Polymers, Liquids, Crystals, Liquid crystals, Telecommunications

Proceedings Article | 6 September 1995 Paper

Plastic-molded SC module consisting of a single-mode fiber

Yoshihisa Warashina, Takashi Iida, Takeshi Ikeya, Mikio Kyomasu

Proceedings Volume 2542, (1995) https://doi.org/10.1117/12.218676

KEYWORDS: Optical components, Zirconium dioxide, Ceramics, Photodiodes, Connectors, GRIN lenses, Optical alignment, Metals, Ultraviolet radiation, Epoxies

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