Ol. Antipov et al., OPTIMIZATION OF PHASE-CONJUGATING MIRRORS MADE OF NEMATIC LIQUID-CRYSTALS IN A 2-PASS LASER-AMPLIFIER, Kvantovaa elektronika, 21(5), 1994, pp. 446-450
A study was made of a two-pass laser amplifier with a phase-conjugatin
g mirror operating on the basis of concurrent scattering of intersecti
ng optical beams in a layer of a nematic liquid crystal on the mirror.
The reflection coefficient of the mirror was optimised by the selecti
on of the liquid-crystal cell temperature and of the absorption coeffi
cient of the nematic mixture. A study was made of the compensation of
the thermal aberrations in the amplifier rod during a return trip of t
he phase-conjugated scattered beam through the amplifier.