Elastomeric lens mounts

Details Elastomeric lens mounts Elastomeric lens mounts

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3355..144m&link_type=abstract

Proc. SPIE Vol. 3355, p. 144-154, Optical Astronomical Instrumentation, Sandro D'Odorico; Ed.

Computer Science

Performance

Scientific paper

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.

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