Advanced fabrication technologies for ultraprecise replicated mirrors for X-ray telescopes

被引：0

作者：

Mimura, Hidekazu ^{[1
]}

Yamaguchi, Gota ^{[1
]}

Kume, Takehiro ^{[2
]}

Takeo, Yoko ^{[1
]}

Ito, Akinari ^{[1
]}

Matsuzawa, Yusuke ^{[2
]}

Saito, Takahiro ^{[2
]}

Hiraguri, Kentarou ^{[2
]}

Takehara, Yusuke ^{[3
]}

Takigawa, Ayumu ^{[3
]}

Tamura, Keisuke ^{[4
,5
]}

Kanoh, Tetsuo ^{[3
]}

Tachibana, Kenji ^{[3
]}

Hashizume, Hirokazu ^{[2
]}

Mitsuishi, Ikuyuki ^{[3
]}

机构：

[1] Univ Tokyo, Sch Engn, Bunkyo Ku, Hongo 7-3-1, Tokyo, Japan

[2] Natsume Opt Corp, Technol Ctr, 1200-29 Kawaji, Iida, Nagano, Japan

[3] Nagoya Univ, Grad Sch Sci, Chikusa Ku, Furo Cho, Nagoya, Aichi, Japan

[4] NASA, Goddard Space Flight Ctr, Code 562, Greenbelt, MD 20771 USA

[5] Univ Maryland Baltimore Cty, 1000 Hilltop Circle, Baltimore, MD 21250 USA

来源：

SPACE TELESCOPES AND INSTRUMENTATION 2020: ULTRAVIOLET TO GAMMA RAY | 2021年 / 11444卷

关键词：

X-ray optics; X-ray mirrors; X-ray telescopes; electroforming; LASER; MICROSCOPE; REMOVAL;

D O I：

10.1117/12.2560892

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

For many years, Wolter mirrors have been used as imaging elements in X-ray telescopes. The shape error of Wolter mirrors fabricated by replicating the shape of a mandrel originates from the replication error in electroforming. We have been developing an X-ray focusing mirror for synchrotron radiation X-rays, as well as a high-precision electroforming process. In this paper, we report on the application of the advanced electroforming process to the fabrication of Wolter mirrors for the FOXSI Sun observation project. We also discuss the figuring accuracy of the mandrel.

引用

页数：8

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