Development of precision Wolter mirrors towards PhoENiX mission for the Sun

Taro Sakao; Satoshi Matsuyama; Jumpei Yamada; Takato Inoue; Kentaro Hata; Hiroyuki Yamaguchi; Taku Hagiwara; Nami Nakamura; Kazuto Yamauchi; Yoshiki Kohmura; Yoshinori Suematsu; Noriyuki Narukage

doi:10.1117/12.2562077

13 December 2020 Development of precision Wolter mirrors towards PhoENiX mission for the Sun

Taro Sakao, Satoshi Matsuyama, Jumpei Yamada, Takato Inoue, Kentaro Hata, Hiroyuki Yamaguchi, Taku Hagiwara, Nami Nakamura, Kazuto Yamauchi, Yoshiki Kohmura, Yoshinori Suematsu, Noriyuki Narukage

Author Affiliations +

Proceedings Volume 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray; 114440O (2020) https://doi.org/10.1117/12.2562077
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

We present ongoing efforts on the development of precision Wolter mirrors for the Soft X-ray Imaging Spectrometer (SXIS) aboard PhoENiX mission proposed to JAXA for studying mechanism(s) of particle acceleration and its relationship with magnetic reconnection in solar flares. The Wolter mirrors for PhoENiX/SXIS are made by direct polishing of glass-ceramic substrates. So far, we succeeded in fabricating a small size of high precision Wolter surfaces (e.g., PSF core size of ~0.2 arcsec HPD at 8 keV) as well as good indication of extending the mirror area along the cylindrical direction. Recent status of the mirror development will be reported.

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Taro Sakao, Satoshi Matsuyama, Jumpei Yamada, Takato Inoue, Kentaro Hata, Hiroyuki Yamaguchi, Taku Hagiwara, Nami Nakamura, Kazuto Yamauchi, Yoshiki Kohmura, Yoshinori Suematsu, and Noriyuki Narukage "Development of precision Wolter mirrors towards PhoENiX mission for the Sun", Proc. SPIE 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, 114440O (13 December 2020); https://doi.org/10.1117/12.2562077

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