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18 July 2000 Development of a balloonborne hard x-ray telescope using a Pt/C multilayer supermirror
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High sensitivity hard X-ray data by means of focusing optics is crucially important to investigate active galaxies and cluster of galaxies. We have developed focusing telescopes with platinum-carbon multilayer coatings. The energy band is broadened by multilayers with graded periodic length, so called `Supermirrors'. We were successful to obtain hard X- ray images in the energy band from 25 to 40 keV with a demonstration model of telescope with 20 mirror shells of supermirrors. The flight model of supermirror telescope is now in production for balloon flight in the summer of 2000. The current status of the balloon mission and future application of supermirror technology is discussed.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yasushi Ogasaka, Keisuke Tamura, Kazutoshi Haga, Takashi Okajima, Satoshi Ichimaru, Seiji Takahashi, Arifumi Gotou, Hideo Kitou, Shinichi Fukuda, Hideyo Kunieda, Yuzuru Tawara, Koujun Yamashita, Yoshiyuki Tsusaka, Peter J. Serlemitsos, Yang Soong, Kai-Wing Chan, Scott M. Owens, Fred Berendse, and Jack Tueller "Development of a balloonborne hard x-ray telescope using a Pt/C multilayer supermirror", Proc. SPIE 4012, X-Ray Optics, Instruments, and Missions III, (18 July 2000); doi: 10.1117/12.391565;


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