Optics express
3.87 W nanosecond mid-infrared vortex generation from a PPLN optical parametric oscillator.
Kaihao Zhang, Chen Cui, Xinchong Fang, Xinchen Chen, Shuyi Mi, Weimin Wang, Shilie Pan
Published: 202510.1364/OE.576680
Abstract
We demonstrate a high-power wavelength-tunable nanosecond mid-infrared (MIR, 3-5 μm) vortex laser based on a singly resonant optical parametric oscillator (OPO). With a MgO:PPLN crystal pumped by a first-order vortex at 1064 nm, efficient orbital ang…
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