Abstract

Experiments have been carried out on the two-mirror configuration of a LiIO/sub 3/ Raman oscillator. With the two-mirror setup, 1.0 watt average power was obtained in the 1.18 ..mu..m 1st Stokes line and 550 mW in the 1.31 ..mu..m 2nd Stokes line. Both of these represent new records for SRS. The two-mirror configuration has very stable outputs and is probably superior to the three-mirror configuration for most applications. In addition, mode-locked operation of the two-mirror Raman oscillator has been demonstrated. SRS was obtained with the 628 cm/sup -1/ mode in LiNbO/sub 3/ for the first time at kHz prf's. In our initial experiments, the SRS is weak and difficult to maintain. Several factors have been identified which are likely responsible for the relatively poor performance of this Raman oscillator.

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