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5 July 1994 High-altitude balloon experiment 60-cm telescope design and manufacturing
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The primary pointing and tracking telescope on the HABE optical payload is a 60 cm, clear-aperture, Cassegrain telescope. This paper presents the requirements for the telescope, a description of the optical, structural, and thermal design, the manufacturing process, and the performance test results. The telescope is required to have very high optical quality, a cryogenic system for actively cooling the primary mirror, a remote-controlled mechanism to refocus the secondary mirror, a baffle system to effectively reject off-axis radiation, and a wide-band optical coating. In addition, the telescope needs to be lightweight and stable over a wide temperature range during operation. The telescope has been successfully designed, fabricated, and delivered.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Charles K. Carniglia, Daniel R. Eastman, GonYen Shen, and George R. Huse "High-altitude balloon experiment 60-cm telescope design and manufacturing", Proc. SPIE 2221, Acquisition, Tracking, and Pointing VIII, (5 July 1994);


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