By Robert Tyson
This instruction manual provides analytical instruments for the layout and improvement of adaptive optics structures to augment their skill to regulate for atmospheric turbulence, optical fabrication mistakes, thermally brought about distortions, and laser gadget aberrations. It offers strategies for choosing, trying out and fitting a wavefront repayment system.
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Extra info for Adaptive optics engineering handbook
1997. Some summaries are also available in Proc. SPIE 3126 (1997) and Proc. SPIE 3353 (1998). S . Hippler, A. Glindemann, M. Kasper P. -R. Rohloff, K. Wagner, D. P. Looze, W. K. Hackenberg, Proc. SPIE 3353, 44 (1998). A. Quirrenbach, Proc. SPIE 3126, 35 (1997). A. , Pubf. Astron. Soc. Puc. 109, 688 (1997). H. D. Bissinger, S. S. Olivier, C. E. Max, “Conceptual Design for a User-Friendly Adaptive Optics System at Lick Observatory,“ Top. Mtg. on Adap. , Opt. Soc. Am. Tech. Series 13, 37 (1996). D.
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Adaptive Optics Associates built the 37-subaperture Shack-Hartmann wavefront sensor using a 64 X 64 pixel CCD array built by MIT/LL. The array was reported to have seven electrons read noise at 1200 fps. The controller used a 160 MFLOP Mercury VME board with four Intel i860 chips. The closed-loop bandwidth was reported to be 30 Hz. The Lick adaptive optics system was the first commerciaVuniversity observatory to use a sodium guide star (31). The LLNL laser guide star is a frequency doubled Nd:YAG operating on the Na line (589 nm), with 18W power, 100-ns pulses, ll-kHz rep rate, and projected out of a 30-cm projection telescope.