Various aspects of active optics

Details Various aspects of active optics Various aspects of active optics

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1114..328l&link_type=abstract

IN: Active telescope systems; Proceedings of the Meeting, Orlando, FL, Mar. 28-31, 1989 (A90-30852 12-74). Bellingham, WA, Socie

Physics

Optics

5

Cassegrain Optics, Mirrors, Support Systems, Telescopes, Gratings (Spectra), Optical Properties, Optimization, Wave Reflection

Scientific paper

Very large mirrors and point supporting density are discussed. Aspherization by elastic relaxation methods is covered and in situ variable asphericity Cassegrian mirrors are described. The study emphasizes that active supporting systems are a necessity for making very large mirrors. It is noted that, together with replication methods, active masters generate efficient corrective gratings and can be used for making a large number of fast medium size parabolas as required by optical arrays.

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