Abstract
Potassium lithium tantalate niobate (KLTN) crystals were grown using the flux pulling method. The two-wave mixing gain coefficient of a KLTN:Fe crystal was measured to be 2.7 cm −1. Using this crystal, a “cat” self-pumped phase conjugator has been demonstrated, for the first time. A reflectivity of 14% and a response time of the phase conjugator of 3 s at 3 W/cm 2 was measured using a frequency-doubled Nd:YAG laser.
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