Some design considerations for a synthetic aperture optical telescope array

Details Some design considerations for a synthetic aperture optical telescope array Some design considerations for a synthetic aperture optical telescope array

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984spie..440..126s&link_type=abstract

IN: Synthetic aperture systems; Proceedings of the Meeting, San Diego, CA, August 25, 26, 1983 (A85-22710 09-74). Bellingham, WA

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Laser Applications, Phased Arrays, Synthetic Apertures, Telescopes, Apertures, Design Analysis, Mirrors, Optical Paths, Polarization Characteristics

Scientific paper

Several design considerations inherent in the configuration of phased array transmission of multiwavelength laser beams are discussed. Attention is focused on the U.S.A.F. phased array (PHASAR) demonstration project, where problems have been encountered in dividing the beam(s), controlling the optical path differences between subapertures, and expanding individual beams.A piston-driven path length adjustment mechanism has been selected, along with an active control system and proven components for stability maintenance. The necessity of developing broadband, high reflectivity low phase shift coatings for the system mirrors is stressed.

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