Mr. Reiki Kojima Profile

Reiki Kojima

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Publications (3)

Proceedings Article | 30 August 2022 Poster + Presentation + Paper

The adaptive optics simulation and improvement plan of CRAO attached to the 1.3m Araki Telescope

Kenta Sakabe, Yuji Ikeda, Shin Oya, Reiki Kojima, Taruta Jun, Hideyo Kawakita, Taiki Bessho, Makoto Komaki

Proceedings Volume 12185, 121853N (2022) https://doi.org/10.1117/12.2628712

KEYWORDS: Adaptive optics, Telescopes, Device simulation, Atmospheric modeling, Computer simulations, Wavefronts, Point spread functions

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Proceedings Article | 29 August 2022 Poster + Paper

Development of a high-precision spectrograph for diffraction-limited coronagraphs

Shunsuke Ota, Taro Matsuo, Satoshi Itoh, Yuji Ikeda, Reiki Kojima, Takashi Sukegawa, Takahiri Sumi, Toru Yamada, Tomonao Nakayasu, Tetso Kano, Masatsugu Koyama

Proceedings Volume 12188, 1218851 (2022) https://doi.org/10.1117/12.2629324

KEYWORDS: Spectrographs, Mirrors, Coronagraphy, Wavefronts, Spectroscopy, Wavefront aberrations, Optical design

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Proceedings Article | 29 August 2022 Poster + Paper

Development progress of diffraction-limited coronagraphs with moderate spectral bandwidths

Taro Matsuo, Shunsuke Ota, Yuji Ikeda, Reiki Kojima, Takahiro Sumi, Toru Yamada, Satoshi Itoh

Proceedings Volume 12188, 121884D (2022) https://doi.org/10.1117/12.2629087

KEYWORDS: Coronagraphy, Telescopes, Planets, Spectroscopy, Stars, Modulation, Diffraction, Target detection, Point spread functions, Image segmentation

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