Phase conjugation of radiation from a KrF laser (249 nm) is reported using degenerate four-wave mixing in CS2 and in a variety of saturable absorbers. Dependence on input intensity and medium concentration is investigated. Reflectivities ≳ 2.5% have been measured. A thermal phase grating seems to be the mechanism involved.
© 1981 Optical Society of America
Original Manuscript: July 1, 1981
Published: November 1, 1981
R. G. Caro and M. C. Gower, "Phase conjugation of KrF laser radiation," Opt. Lett. 6, 557-559 (1981)