为X射线天文卫星XRISM开发的CCD的光学遮挡性能
天体物理仪器与方法
2020-08-26 v2
摘要
我们一直在为计划于2021年发射的即将到来的X射线天文卫星XRISM开发P沟道电荷耦合器件（CCD）。虽然CCD相机（软X射线成像仪：SXI）的基本设计与失联的Hitomi（ASTRO-H）天文台几乎相同，但我们计划减少“光泄漏”，这是Hitomi数据中公认的最大问题之一。我们在XRISM CCD上采用了双层光学遮挡层，并在其背面额外增加了一层铝层。我们开发了一个新设计的测试样品CCD，并用光学光照射它以评估光学遮挡性能。结果，与Hitomi CCD相比，光泄漏被有效减少。因此我们得出结论，该问题已通过新设计解决，且XRISM CCD满足SXI的任务要求。
引用
@article{arxiv.2007.07608,
title = {Optical Blocking Performance of CCDs Developed for the X-ray Astronomy Satellite XRISM},
author = {Hiroyuki Uchida and Takaaki Tanaka and Yuki Amano and Hiromichi Okon and Takeshi G. Tsuru and Hirofumi Noda and Kiyoshi Hayashida and Hironori Matsumoto and Maho Hanaoka and Tomokage Yoneyama and Koki Okazaki and Kazunori Asakura and Shotaro Sakuma and Kengo Hattori and Ayami Ishikura and Hiroshi Nakajima and Mariko Saito and Kumiko K. Nobukawa and Hiroshi Tomida and Yoshiaki Kanemaru and Jin Sato and Toshiyuki Takaki and Yuta Terada and Koji Mori and Hikari Kashimura and Takayoshi Kohmura and Kouichi Hagino and Hiroshi Murakami and Shogo B. Kobayashi and Yusuke Nishioka and Makoto Yamauchi and Isamu Hatsukade and Takashi Sako and Masayoshi Nobukawa and Yukino Urabe and Junko S. Hiraga and Hideki Uchiyama and Kazutaka Yamaoka and Masanobu Ozaki and Tadayasu Dotani and Hiroshi Tsunemi and Hisanori Suzuki and Shin-ichiro Takagi and Kenichi Sugimoto and Sho Atsumi and Fumiya Tanaka},
journal= {arXiv preprint arXiv:2007.07608},
year = {2020}
}
备注
6 pages, 4 figures, accepted for publication in NIMA, proceedings of the 12th International "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detector (HSTD12)