Excimer laser guide star techniques for adaptive imaging in astronomy

Details Excimer laser guide star techniques for adaptive imaging in astronomy Excimer laser guide star techniques for adaptive imaging in astronomy

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1114..184t&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

3

Adaptive Optics, Excimer Lasers, Imaging Techniques, Laser Guidance, Telescopes, Apertures, Laser Beams, Laser Outputs, Rayleigh Scattering

Scientific paper

Laser guide stars can be produced by Rayleigh scattering of light emitted by a pulsed excimer laser. The necessary laser output power is calculated to be 78 W for an adaptively corrected 2-meter telescope working in conditions where seeing-cell diameter is 18.5 cm. Because an array of laser guide stars must be used in the system, the required power increases as the square of the telescope aperture.

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