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1 October 1990 Graphite/epoxy composite mirror for beam-steering applications
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Abstract
A conceptual design and manufacturing program for a lightweight graphite/epoxy steering mirror with a 0.5-2.0-m aperture for use at 10.6 micron is presented. An analysis is performed for the optimization of the mirror natural frequency as a function of component material, structural geometry, and physical dimensions. A 65-m-diameter eggcrate sandwich-core mirror constructed of graphite/epoxy composite material clad on all exposed surfaces with aluminum foil or tin/indium solder is manufactured, and it is indicated that this design can be scaled to larger diameters. Results of a trade study suggest that this type of mirror can be hardened against nuclear X-ray effects given the appropriate choice of cladding materials.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John A. Sultana and Steven E. Forman "Graphite/epoxy composite mirror for beam-steering applications", Proc. SPIE 1303, Advances in Optical Structure Systems, (1 October 1990); https://doi.org/10.1117/12.21530
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