Fabrication of a large-aperture beryllium telescope for space application

Michelle L. Delatte; Douglas L. Hibbard

doi:10.1117/12.218673

6 September 1995 Fabrication of a large-aperture beryllium telescope for space application

Michelle L. Delatte, Douglas L. Hibbard

Proceedings Volume 2542, Optomechanical and Precision Instrument Design; (1995) https://doi.org/10.1117/12.218673
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

OCA Applied Optics is fabricating an innovative 0.9-meter diameter, ultra-lightweight, all- beryllium space telescope for the NASA Goddard Space Flight Center Multi-Beam Laser Altimeter. The telescope is also a prototype for the GSFC Geoscience Laser Altimeter System for measuring ice sheet topography, temporal changes in topography, cloud heights, planetary boundary heights, aerosol vertical structure, and other topographical features. The telescope is being manufactured using efficient and innovative approaches to optical grinding and polishing and electroless nickel plating of the large parabolic primary mirror. Advancement in producibility were accomplished utilizing novel tooling concepts and advances in manufacturing equipment. Improvements include rapid material removal in grinding and polishing and uniformity of electroless nickel plating.

Citation Download Citation

Michelle L. Delatte and Douglas L. Hibbard "Fabrication of a large-aperture beryllium telescope for space application", Proc. SPIE 2542, Optomechanical and Precision Instrument Design, (6 September 1995); https://doi.org/10.1117/12.218673

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