Elastomeric lens mounts

Terry S. Mast; P. I. Choi; David J. Cowley; Sandra M. Faber; Eric James; A. A. Shambrook

doi:10.1117/12.316820

9 July 1998 Elastomeric lens mounts

Terry S. Mast, P. I. Choi, David J. Cowley, Sandra M. Faber, Eric James, A. A. Shambrook

Proceedings Volume 3355, Optical Astronomical Instrumentation; (1998) https://doi.org/10.1117/12.316820
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

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.

Citation Download Citation

Terry S. Mast, P. I. Choi, David J. Cowley, Sandra M. Faber, Eric James, and A. A. Shambrook "Elastomeric lens mounts", Proc. SPIE 3355, Optical Astronomical Instrumentation, (9 July 1998); https://doi.org/10.1117/12.316820

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