Abstract
We report here the first observations of phase conjugation of KrF laser radiation at 2486Å. The laser employed was an injection-locked, unstable resonator, KrF double-discharge with 200 mJ, 20 ns output in a <0.1 Å bandwidth (coherence length ≈1 cm) nearly diffraction-limited beam.1 Using this laser three different nonlinear processes were investigated as to their phase conjugation and/or image retention properties: degenerate four-wave mixing, stimulated Brillouin scattering, and stimulated Raman scattering.
© 1981 Optical Society of America
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