Optical parametric oscillation is demonstrated for the first time with the chalcogenide nonlinear crystal LiGaSe2 pumped by a nanosecond Nd:YAG laser. Angle tuning provides coverage of the 4.8-9.9 μm spectral range in the mid-IR by idler pulses.
- lithium gallium selenide
- optical parametric oscillator
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)