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Proceedings Paper

Development of hard x-ray telescope for the InFOCμS balloon experiment
Author(s): Ryo Shibata; Yasushi Ogasaka; Keisuke Tamura; Akihiro Furuzawa; Yuzuru Tawara; Hideyo Kunieda; Koujun Yamashita; Rika Takahashi; Machiko Sakashita; Takuya Miyazawa; Kenta Shimoda; Yoshihiro Fukaya; Chiaki Sakai; Nobuaki Yamada; Masataka Naitou; Tomonaga Iwaraha; Kenjiro Sakaki; Hiroaki Mutoh; Jack Tueller
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Paper Abstract

The development of hard X-ray focusing optics for astrophysical observation is widely recognized as one of key technologies for future X-ray satellite missions. Utilizing InFOCμS balloon-borne experiment, we have developed thin-foil-nested hard X-ray telescope employing depth-graded Pt/C multilayer. Pre-flight calibration of the hard X-ray telescope for the 2004 flight was performed at X-ray beamline facilities in ISAS/JAXA and SPring-8. The effective area and image quality were estimated to be 51 cm2 and 2.4 arcmin (half power diameter) at 30 keV, respectively. Limiting factors of its performance also investigated. And we revealed that the main factor was image degradation of an individual reflector. Based on such an investigation we are now continuously developing advanced hard X-ray telescope for future balloon experiments. From evaluation of upgraded test telescope, we get a response toward high resolution telescope in future years.

Paper Details

Date Published: 1 September 2005
PDF: 12 pages
Proc. SPIE 5900, Optics for EUV, X-Ray, and Gamma-Ray Astronomy II, 59000Q (1 September 2005); doi: 10.1117/12.616792
Show Author Affiliations
Ryo Shibata, Nagoya Univ. (Japan)
Yasushi Ogasaka, Nagoya Univ. (Japan)
Keisuke Tamura, Nagoya Univ. (Japan)
Akihiro Furuzawa, Nagoya Univ. (Japan)
Yuzuru Tawara, Nagoya Univ. (Japan)
Hideyo Kunieda, Nagoya Univ. (Japan)
Koujun Yamashita, Nagoya Univ. (Japan)
Rika Takahashi, Nagoya Univ. (Japan)
Machiko Sakashita, Nagoya Univ. (Japan)
Takuya Miyazawa, Nagoya Univ. (Japan)
Kenta Shimoda, Nagoya Univ. (Japan)
Yoshihiro Fukaya, Nagoya Univ. (Japan)
Chiaki Sakai, Nagoya Univ. (Japan)
Nobuaki Yamada, Nagoya Univ. (Japan)
Masataka Naitou, Nagoya Univ. (Japan)
Tomonaga Iwaraha, Nagoya Univ. (Japan)
Kenjiro Sakaki, Nagoya Univ. (Japan)
Hiroaki Mutoh, Nagoya Univ. (Japan)
Jack Tueller, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 5900:
Optics for EUV, X-Ray, and Gamma-Ray Astronomy II
Oberto Citterio; Stephen L. O'Dell, Editor(s)

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