The practical use of a grazing x-ray telescope is demonstrated for hard-x-ray imaging as hard as 40 keV by means of a depth-graded d-spacing multilayer, a so-called supermirror. Platinum–carbon multilayers of 26 layer pairs in three blocks with a different periodic length d of 3–5 nm were designed to enhance the reflectivity in the energy range from 24 to 36 keV at a grazing angle of 0.3 deg. The multilayers were deposited on thin-replica-foil mirrors by a magnetron dc sputtering system. The reflectivity was measured to be 25%–30% in this energy range; 20 mirror shells thus deposited were assembled into the tightly nested grazing-incidence telescope. The focused hard-x-ray image was observed with a newly developed position-sensitive CdZnTe solid-state detector. The angular resolution of this telescope was found to be 2.4 arc min in the half-power diameter.
© 1998 Optical Society of AmericaFull Article | PDF Article
More Like This
Takashi Okajima, Keisuke Tamura, Yasushi Ogasaka, Kazutoshi Haga, Seiji Takahashi, Satoshi Ichimaru, Hideo Kito, Shin’ichi Fukuda, Arifumi Goto, Kentaro Nomoto, Hiroyuki Satake, Seima Kato, Yuichi Kamata, Akihiro Furuzawa, Fumie Akimoto, Tsutomu Yoshioka, Kazumasa Kondo, Yoshito Haba, Takeshi Tanaka, Keiichi Wada, Noriyuki Hamada, Murat Hudaverdi, Yuzuru Tawara, Koujun Yamashita, Peter J. Serlemitsos, Yang Soong, Kai-Wing Chan, Scott M. Owens, Fred B. Berendse, Jack Tueller, et al.
Appl. Opt. 41(25) 5417-5426 (2002)
Youwei Yao, Hideyo Kunieda, Hironori Matsumoto, Keisuke Tamura, and Yusuke Miyata
Appl. Opt. 52(27) 6824-6833 (2013)
Hisamitsu Awaki, Hideyo Kunieda, Manabu Ishida, Hironori Matsumoto, Yasunori Babazaki, Tadatsugu Demoto, Akihiro Furuzawa, Yoshito Haba, Takayuki Hayashi, Ryo Iizuka, Kazunori Ishibashi, Naoki Ishida, Masayuki Itoh, Toshihiro Iwase, Tatsuro Kosaka, Daichi Kurihara, Yuuji Kuroda, Yoshitomo Maeda, Yoshifumi Meshino, Ikuyuki Mitsuishi, Yuusuke Miyata, Takuya Miyazawa, Hideyuki Mori, Housei Nagano, Yoshiharu Namba, Yasushi Ogasaka, Keiji Ogi, Takashi Okajima, Shigetaka Saji, Fumiya Shimasaki, et al.
Appl. Opt. 53(32) 7664-7676 (2014)