Abstract
The operation of a simple device that converts continuous-wave (CW) laser light into a short-pulse train is reported. The setup is based on a passive ring cavity in which an acoustooptic frequency shifter takes the place of one of the mirrors. Temporal filtering and pulse compression of laser light was demonstrated. The experimental results obtained by injecting a CW CO/sub 2/ laser light in such a device are in agreement with the theoretical analysis. The device's application in external pulse compression of mode-locked pulses is also demonstrated.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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