Mathematics
Scientific paper
Mar 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989rpsct.......10a&link_type=abstract
In its JPRS Report: Science and Technology. USSR: Physics and Mathematics p 10 (SEE N90-23162 16-70) Transl. into ENGLISH from K
Mathematics
Aluminum Coatings, Collimation, Excimer Lasers, Magnification, Piezoelectricity, Radiation, Resonant Frequencies, Cavities, Lasers, Mirrors, Quartz, Telescopes
Scientific paper
In an experiment with an excimer (XeC) laser its radiation pattern and thus beam structure were shaped by means of an electrically controllable mirror replacing a plain semiopague one in the cavity. The laser was an ELI-91 with a 1:10:1000 HC:Xe:Ne active mixture operating under a pressure of 4 atm and emitting 308 nm radiation in pulses of 80 mJ energy and 30 ps duration without an expanding telescope. The cavity was formed by a plane-parallel quartz plate and an adaptively controllable semipassive bimorphous piezoelectric plate with reflective aluminum coating maximum coverage of its surface by radiation from the discharge being ensured by an expanding telescope made of quartz with magnification. The first resonance frequency of the controllable mirror was 5 kHz.
Akhmanov A. S.
Borontsov M. A.
Kudryashov Alexis V.
Panchenko Vladislav Y.
Popov V. K.
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