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Proceedings Paper

Elastomeric lens mounts
Author(s): Terry S. Mast; P. I. Choi; David J. Cowley; Sandra M. Faber; Eric James; A. A. Shambrook
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Paper Abstract

Instruments for large telescopes often require cameras with large, deeply-curved, and temperature-sensitive lenses. The instrument error budgets require each lens to be supported so that excellent performance is maintained in the face of gravitational and thermal perturbations. We describe here elastomeric mounts that address these requirements. We first describe the general design principles, the effects of errors in design and fabrication, and the performance under static and dynamic loads. We describe specific examples; the elastomer RTV560 and the lens supports for the camera of the W. M. Keck Observatory DEIMOS spectrograph.

Paper Details

Date Published: 9 July 1998
PDF: 11 pages
Proc. SPIE 3355, Optical Astronomical Instrumentation, (9 July 1998); doi: 10.1117/12.316820
Show Author Affiliations
Terry S. Mast, UCO/Lick Observatory (United States)
P. I. Choi, UCO/Lick Observatory (United States)
David J. Cowley, UCO/Lick Observatory (United States)
Sandra M. Faber, UCO/Lick Observatory (United States)
Eric James, UCO/Lick Observatory (United States)
A. A. Shambrook, UCO/Lick Observatory (United States)

Published in SPIE Proceedings Vol. 3355:
Optical Astronomical Instrumentation
Sandro D'Odorico, Editor(s)

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