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Proceedings Paper

Laser guide stars for adaptive optics systems: Rayleigh scattering experiments
Author(s): Laird A. Thompson; Richard M. Castle; David L. Carroll
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Paper Abstract

Experiments have been conducted in the atmosphere above Mt. Laguna Observatory to measure the properties of laser guide stars. The experimental system consists of a high frame rate video camera which records the backscattered light from an Excimer laser working in the near-UV at 351 rim. The Mt. Laguna 1-meter telescope is used to both transmit the outgoing beam and to image the return beam. The outgoing laser pulse triggers a time-gated image intensifier within the video camera which, with an appropriately selected time delay, records a time slice of the backscattered return signal. Preliminary results from the experiment can be used to calibrate the laser power needed to operate a large ground-based adaptive optics telescope.

Paper Details

Date Published: 1 December 1991
PDF: 10 pages
Proc. SPIE 1542, Active and Adaptive Optical Systems, (1 December 1991); doi: 10.1117/12.48798
Show Author Affiliations
Laird A. Thompson, Univ. of Illinois/Urbana-Champaign (United States)
Richard M. Castle, Univ. of Illinois/Urbana-Champaign (United States)
David L. Carroll, Univ. of Illinois/Urbana-Champaign (United States)


Published in SPIE Proceedings Vol. 1542:
Active and Adaptive Optical Systems
Mark A. Ealey, Editor(s)

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