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Title:
First results from the UCSC Laboratory for Adaptive Optics multi-conjugate and multi-object adaptive optics testbed
Authors:
Ammons, S. Mark; Kupke, Renate; Laag, Edward A.; Gavel, Donald T.; Dillon, Daren R.; Reinig, Marco R.; Bauman, Brian J.; Max, Claire E.; Johnson, Jess A.
Affiliation:
AA(Ctr. for Adaptive Optics, Univ. of California, Santa Cruz (USA)), AB(Ctr. for Adaptive Optics, Univ. of California, Santa Cruz (USA)), AC(Ctr. for Adaptive Optics, Univ. of California, Santa Cruz (USA) and Univ of California, Riverside (USA)), AD(Ctr. for Adaptive Optics, Univ. of California, Santa Cruz (USA)), AE(Ctr. for Adaptive Optics, Univ. of California, Santa Cruz (USA)), AF(Ctr. for Adaptive Optics, Univ. of California, Santa Cruz (USA)), AG(Lawrence Livermore National Lab. (USA) and Ctr. for Adaptive Optics, Univ. of California, Santa Cruz (USA)), AH(Ctr. for Adaptive Optics, Univ. of California, Santa Cruz (USA)), AI(Ctr. for Adaptive Optics, Univ. of California, Santa Cruz (USA))
Publication:
Advances in Adaptive Optics II. Edited by Ellerbroek, Brent L.; Bonaccini Calia, Domenico. Proceedings of the SPIE, Volume 6272, pp. 627202 (2006). (SPIE Homepage)
Publication Date:
07/2006
Origin:
SPIE
Abstract Copyright:
(c) 2006: SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
DOI:
10.1117/12.672452
Bibliographic Code:
2006SPIE.6272E...2A

Abstract

We present first results from the Multi-Conjugate and Multi-Object Adaptive Optics (MCAO and MOAO) testbed, at the UCO/Lick Laboratory for Adaptive Optics (LAO) facility at U.C. Santa Cruz. This testbed is constructed to simulate a 30-m telescope executing MCAO and/or open loop MOAO atmospheric compensation and imaging over 5 arcminutes. It is capable of performing Shack-Hartmann wavefront sensing on up to 8 natural or laser guide stars and 2-3 additional tip/tilt stars. In this paper, we demonstrate improved on-axis correction relative to ground layer adaptive optics (~ 15% Strehl relative to ~ 12%) with a simulated 28-m aperture at a D/r0 corresponding to a science wavelength of 2.6 microns using three laser guide stars on a simulated 41 arcsec radius with a central science object and one deformable mirror at the ground layer.
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