7 July 2004 Mitigation of spot elongation effects
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Proceedings Volume 5382, Second Backaskog Workshop on Extremely Large Telescopes; (2004); doi: 10.1117/12.566344
Event: Second Backaskog Workshop on Extremely Large Telescopes, 2003, Backaskog, Sweden
Abstract
It is possible to reduce significantly spot elongation in adaptive optics systems, if the laser creating the artificial beacon is broken up into many weak independent lasers, sent from scattered locations up to the periphery of a large telescope.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Erez N. Ribak, Roberto Ragazzoni, "Mitigation of spot elongation effects", Proc. SPIE 5382, Second Backaskog Workshop on Extremely Large Telescopes, (7 July 2004); doi: 10.1117/12.566344; https://doi.org/10.1117/12.566344
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KEYWORDS
Telescopes

Laser scattering

Adaptive optics

Light scattering

Mirrors

Sodium

Fiber lasers

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