Precision machining implications for optical systems employing large off-axis elements

Details Precision machining implications for optical systems employing large off-axis elements Precision machining implications for optical systems employing large off-axis elements

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987spie..751...37b&link_type=abstract

IN: Reflective optics; Proceedings of the Meeting, Los Angeles, CA, Jan. 15, 16, 1987 (A88-34536 13-74). Bellingham, WA, Society

Astronomy and Astrophysics

Astronomy

Design Analysis, Fabrication, Machining, Mirrors, Optical Equipment, Precision, Sensors, Spaceborne Astronomy, Aluminum Alloys, Beryllium, Glass

Scientific paper

The present consideration of problems encountered in the design and manufacture of large space-based optical sensor systems gives attention to the implications of producing a large field-of-view space sensor capable of operating over a large spectral band. Weight-reduction methods, substrate materials selection, mirror surface figure and reflectivity, and fabrication methods are discussed. No single material-selection or machining method meets all of the requirements formulated; a system employing two mirror materials, however, is judged capable of meeting design objectives.

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