OG 4.3.05 An Optical Re ector for the CANGAROO-II Telescope

Akiko Kawachi, J. Kushida, S. A. Dazeley,P. G. Edwards,S. Gunji, S. Hara, T. Hara,J. Jinbo, T. Kifune,H. Kubo,Y. Matsubara,Y. Mizumoto, M. Mori,M. Moriya,H. Muraishi,Y. Muraki,T. Naito, K. Nishijima,J. R. Patterson,M. D. Roberts,G. P. Rowell, T. Sako, K. Sakurazawa, Y. Sato, R. Susukita, T. Tamura, T. Tanimori, S. Yanagita, T. Yoshida, T. Yoshikoshi, A. Yuki

semanticscholar（1999）

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摘要

We have been successful in developing light and durable mirrors made of CFRP (Carbon Fiber Reinforced Plastic) laminates for the re ector of the new CANGAROO-II 7 m telescope. The re ector has a parabolic shape (F/1.1) with a 30 m e ective area which consists of 60 small spherical mirrors of CFRP laminates. The orientation of each mirror can be remotely adjusted by stepping motors. After the rst adjustment work, the re ector o ers a point image of about 0. 14 (FWHM) on the optic axis.

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