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11 September 1998 Thermal characterization of the support plate for the 6.5-m MMT thin-shell adaptive secondary mirror
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The Multiple Mirror Telescope on Mt. Hopkins will soon be upgraded to a single 6.5 m primary mirror.An adaptive- optical system, featuring a thin-shell, adaptive-secondary mirror with 330 voice-coil actuators is being developed for this new telescope. The thin-shell mirror is supported by a thick, concave aluminum substrate which also holds the actuator control and monitoring electronics and serves as the reference surface. With the actuator electronics dissipating heat into the substrate, the thermal behavior of the aluminum reference plate becomes as important issue. This paper presents results form tow experiments designed to determine the thermal behavior of the reference plate.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Troy A. Rhoadarmer, Michael Lloyd-Hart, Bruce C. Fitz-Patrick, Matthew J. Rademacher, Donald G. Bruns, and J. C. Shelton "Thermal characterization of the support plate for the 6.5-m MMT thin-shell adaptive secondary mirror", Proc. SPIE 3353, Adaptive Optical System Technologies, (11 September 1998);


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