Computer Science
Scientific paper
Jun 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991svjqe..18..762a&link_type=abstract
Kvantovaia Elektronika (Moscow) (ISSN 0368-7147), vol. 18, June 1991, p. 762-765. In Russian.
Computer Science
1
Aberration, Carbon Dioxide Lasers, Light Modulation, Mirrors, Pulsed Lasers, Telescopes, Diffraction Paths, Laser Beams, Laser Pumping, Optical Paths, Optical Scanners
Scientific paper
It is demonstrated experimentally that compensation can be obtained for the dynamic aberrations of a forming telescope on the main mirror of which a diffractional optical element is deposited in order to inject the reference radiation into the system with PC, and that angular scanning of the output beam is possible without its distortion. A relay located on the path of the reference beam to the PC mirror and a telescope which precludes transmission of the reference beam through a hole in the main mirror made it possible to bring the range of permissible mirror aberrations to about 65 lambda/D and the scanning range to about 44 lambda/D, while retaining the angular divergence of the output beam close to the diffraction limit.
Andreev Rostislav B.
Irtuganov Valery M.
Kalinin V. P.
Kononov V. V.
Sherstobitov Vladimir E.
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