Article ID Journal Published Year Pages File Type
7130293 Optics & Laser Technology 2015 5 Pages PDF
Abstract
An OPO based on KTA and ZGP crystals in tandem is demonstrated to obtain tunable coherent multi-output radiations in the 2.35-7.05 μm range and low threshold of oscillation energy pumped from a Q-switched Gaussian shaped Nd:YAG laser beam with a grating having grooves density of 85 lines/mm. The measured threshold of oscillation energy was 10 μJ. The conversion efficiency and slope efficiency of the ZGP OPO were 32.7% and 34% respectively using a 23 mm long ZGP crystal at 26 mm cavity length.
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