Abstract

We report the first known demonstration of UV phase conjugation. By use of a 15-psec, 2660-Å pulse, 0.1% conjugate reflectivities were obtained through degenerate four-wave mixing in 1-mm samples of CS₂ mixtures. Although pure CS₂ did not exhibit the effect, dilution of CS₂ in several UV-transmitting solvents opened up a concentration-tunable (2450–2850 Å) spectral window, allowing the optical Kerr effect to be utilized. Weaker phase conjugation at 2660 Å was also observed in other Kerr media and in saturable absorber media.

© 1981 Optical Society of America

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