Computer Science
Scientific paper
Jan 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spie.4840..583s&link_type=abstract
Future Giant Telescopes. Edited by Angel, J. Roger P.; Gilmozzi, Roberto. Proceedings of the SPIE, Volume 4840, pp. 583-585 (2
Computer Science
Scientific paper
The speckle image of a dot source is investigated in a focal plane of a large-sized telescope in a window of transparency 8-12 μ. The dot source is created with the help of a corner reflector established on geostationary satellite which is lighted with CO2-laser. The casual realization of speckle image is generated. Contrasts of infrared (IR) speckle-image and elements speckle image and own geometrical noise of a large-sized telescope are calculated. The own geometrical noise arises because of mistakes in installation of composite mirrors of a telescope. The parameters of IR speckle image and geometrical noise are determined, at which the speckle structure disappears. The estimation of affinity of the "missed" image with diffracted one is received which determines efficiency of adaptation by the offered criterion.
Bakut Peter A.
Shumilov Yurij P.
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