Prof. Toshihiro Nakaoka Profile

Prof. Toshihiro Nakaoka

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Publications (2)

Proceedings Article | 23 August 2024 Poster + Paper

Development of the CdZnTe immersion grating spectrometer for the detection of snow-lines with high-resolution spectroscopy

Takao Nakagawa, Hideo Matsuhara, Umi Enokidani, Toyoaki Suzuki, Shunsuke Baba, Yasuhiro Hirahara, Hidehiro Kaneda, Ryoichi Koga, Li Yuan, Biao Zhao, Daiki Takama, Hiroshi Sasago, Takehiko Wada, Toshihiro Nakaoka, Taiki Eda, Ryota Kakihara, Yoshinori Shiomitsu, Takuya Hosobata, Noboru Ebizuka, Yutaka Yamagata, Shota Notsu, Hideko Nomura

Proceedings Volume 13092, 130923D (2024) https://doi.org/10.1117/12.3019636

KEYWORDS: Spectroscopy, Crystals, Absorption, Antireflective coatings, Refractive index, Optical gratings, Transmittance, Mid infrared, Cryogenics, Prototyping

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Proceedings Article | 23 August 2024 Poster + Paper

A robust bandpass filter for mid- and far-infrared cryogenic space telescopes by simple photo-lithography

Takehiko Wada, Kasumi Miyata, Lisa Toyoshima, Masahiro Ueda, Riki Chin, Yoshinori Shohmitsu, Toyoaki Suzuki, Toshihiro Nakaoka

Proceedings Volume 13092, 1309238 (2024) https://doi.org/10.1117/12.3019632

KEYWORDS: Tunable filters, Cryogenics, Space telescopes, Silicon, Bandpass filters, Infrared astronomy, Terahertz metamaterials, Far infrared, Infrared Imaging Spectrograph, Infrared Space Observatory

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