Wavefront compensation using liquid crystal spatial light modulators-scaling issues

Author

Guthals, D. ; Sox, D. ; Joswick, M. ; Rodney, P.J.

Author_Institution

Lasers & Electro-Opt. Syst., Boeing Space & Commun Group, Canoga Park, CA, USA

fYear

2000

fDate

24-28 July 2000

Abstract

We have demonstrated compensation of a severely warped meter-class telescope and explored there performance. Real time holographic (RTH) compensation can permit the use of large imperfect mirrors of misphased mirror segments in aggressively lightweighted deployable optics. The technique can also compensate for dynamic aberrations introduced by vibrations and thermal loading. This can greatly reduce the weight and complexity of isolation and positioning systems for large deployable telescope systems. The optical efficiency of an optically addressed spatial light modulator (OASLM)-based holographic compensation system can approach 40%.

Keywords

aberrations; adaptive optics; astronomical telescopes; compensation; holographic optical elements; image resolution; mirrors; spatial light modulators; 40 percent; aggressively lightweighted deployable optics; dynamic aberrations; large deployable telescope systems; large imperfect mirrors; liquid crystal spatial light modulators; misphased mirror segments; optical efficiency; optically addressed spatial light modulator based holographic compensation system c; real time holographic compensation; scaling issues; severely warped meter-class telescope; thermal loading; vibrations; wavefront compensation; Adaptive optics; Holographic optical components; Holography; Liquid crystals; Mirrors; Optical distortion; Optical modulation; Optical receivers; Telescopes; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Electronic-Enhanced Optics, Optical Sensing in Semiconductor Manufacturing, Electro-Optics in Space, Broadband Optical Networks, 2000. Digest of the LEOS Summer Topical Meetings

Conference_Location

Aventura, FL, USA

ISSN

1099-4742

Print_ISBN

0-7803-6252-7

Type

conf

DOI

10.1109/LEOSST.2000.869734

Filename

869734