Broadly tunable infrared parametric oscillator using AgGaSe2

Eckardt, R. C.; Fan, Y. X.; Byer, R. L.; Marquardt, C. L.; Storm, M. E.; Esterowitz, L.
September 1986
Applied Physics Letters;9/15/1986, Vol. 49 Issue 11, p608
Academic Journal
The first successful operation of a AgGaSe2 infrared parametric oscillator is reported. Continuous tuning ranges of 1.6–1.7 μm, 6.7–6.9 μm, and 2.65–9.02 μm were achieved using 1.34-μm neodymium and 2.05-μm holmium pump lasers. Pulse energies exceeding 3 mJ, peak powers near 100 kW, and conversion efficiencies of 18% were obtained. Operation of the parametric oscillator was possible well below the 13–40 MW/cm2 surface damage threshold of this nonlinear material.


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