A novel laser oscillator with a cavity completed by the refractive-index grating induced by generating beams in a nematic liquid-crystal cell is studied experimentally and theoretically. It is shown that both the thermal and orientational nonlinearity of the liquid crystal can provide the holographic mirror formation and the self-starting condition in the laser oscillator. The self-starting laser with a nonlinear mirror demonstrates a single-longitudinal-mode generation with good beam quality.
© 2001 Optical Society of America
(140.3410) Lasers and laser optics : Laser resonators
(160.3710) Materials : Liquid crystals
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.5040) Nonlinear optics : Phase conjugation
Oleg L. Antipov, Dmitry V. Chausov, Alexander S. Kuzhelev, and Andrey P. Zinovev, "Self-starting laser oscillator with a nonlinear nematic liquid-crystal mirror," J. Opt. Soc. Am. B 18, 13-20 (2001)