Generation of tunable pulsed microwave radiation by nonlinear interaction of Nd:YAG laser radiation in GaP crystals.
Pulsed microwave radiation in a tuning range from 10 to 30 GHz has been generated through the parametric interaction of two near-infrared pulses in GaP crystals at low temperatures. The power of the microwave pulses (duration 30 nsec) was of the order of 1 mW. The pump pulses were generated with a Nd:YAG laser emitting simultaneously at two frequencies, within the bandwidth of the 1.064-microm transition, as a result of an étalon output coupler.
Lengfellner
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