Thin-foil multilayer-supermirror hard x-ray telescopes for InFOCuS/SUMIT balloon experiments and NeXT satellite program

Yasushi Ogasaka; Keisuke Tamura; Takuya Miyazawa; Yoshihiro Fukaya; Tomonaga Iwahara; Naoki Sasaki; Akihiro Furuzawa; Yoshito Haba; Yasufumi Kanou; Daisuki Ueno; Hideyo Kunieda; Koujun Yamashita; Ryo Shibata; Takashi Okajima; Jack Tueller; Peter Serlemitsos; Yang Soong; Kai-Wing Chan; Emi Miyata; Hiroshi Tsunemi; Kentaro Uesugi; Yoshio Suzuki; Yoshiharu Namba

doi:10.1117/12.733694

3 October 2007 Thin-foil multilayer-supermirror hard x-ray telescopes for InFOCμS/SUMIT balloon experiments and NeXT satellite program

Yasushi Ogasaka, Keisuke Tamura, Takuya Miyazawa, Yoshihiro Fukaya, Tomonaga Iwahara, Naoki Sasaki, Akihiro Furuzawa, Yoshito Haba, Yasufumi Kanou, Daisuki Ueno, Hideyo Kunieda, Koujun Yamashita, Ryo Shibata, Takashi Okajima, Jack Tueller, Peter Serlemitsos, Yang Soong, Kai-Wing Chan, Emi Miyata, Hiroshi Tsunemi, Kentaro Uesugi, Yoshio Suzuki, Yoshiharu Namba

Author Affiliations +

Proceedings Volume 6688, Optics for EUV, X-Ray, and Gamma-Ray Astronomy III; 668803 (2007) https://doi.org/10.1117/12.733694
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

Hard X-ray telescopes using depth-graded multilayer is a key technology for future satellite programs. Developments are underway by many groups, and balloon experiments have also been carried out. We have developed light-weight hard X-ray telescopes using Pt/C multilayer and high-throughput thin-foil optics. They have been aboard on InFOCμs and SUMIT balloon flights. As a next development efforts, especially for Japan's NeXT satellite program, we focus on improvement of image quality. Among three equally-contributing error factors (figure error, positioning error and off-roundness), figure errors and off-roundness have been reduced significantly, by screening of replication mandrels and active and iterative tuning of support bars. Further studies are in progress, such as suer-polished metal mandrels and better positioning of reflector edges, to meet the baseline requirement of the NeXT mission.

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Yasushi Ogasaka, Keisuke Tamura, Takuya Miyazawa, Yoshihiro Fukaya, Tomonaga Iwahara, Naoki Sasaki, Akihiro Furuzawa, Yoshito Haba, Yasufumi Kanou, Daisuki Ueno, Hideyo Kunieda, Koujun Yamashita, Ryo Shibata, Takashi Okajima, Jack Tueller, Peter Serlemitsos, Yang Soong, Kai-Wing Chan, Emi Miyata, Hiroshi Tsunemi, Kentaro Uesugi, Yoshio Suzuki, and Yoshiharu Namba "Thin-foil multilayer-supermirror hard x-ray telescopes for InFOCμS/SUMIT balloon experiments and NeXT satellite program", Proc. SPIE 6688, Optics for EUV, X-Ray, and Gamma-Ray Astronomy III, 668803 (3 October 2007); https://doi.org/10.1117/12.733694

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