20 February 2017 Frequency down-conversion of 1 μm laser radiation to the mid-IR using non-oxide nonlinear crystals in a cascaded intracavity configuration
Author Affiliations +
Abstract
A singly-resonant OPO (SRO) based on AgGaSe2 (AGSe) intracavity pumped at ~1.85 μm by the signal pulses of a Rb:PPKTP doubly-resonant OPO (DRO) provided extremely broad tuning (5.8 to ~18 μm) for the non-resonated idler. In a similar set-up with the same nonlinear crystals, we studied intracavity difference-frequency generation (DFG). Both AGSe and the new monoclinic crystal BaGa4Se7 (BGSe) generated single pulse energies of ~0.7 mJ near 7 μm at an overall conversion efficiency from the 1.064 μm pump of 1.2%. The main advantage of BGSe is its damage resistivity up to the maximum pump levels applied at 100 Hz.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Valentin Petrov, Andrey A. Boyko, Nadezhda Y. Kostyukova, Georgi M. Marchev, Valdas Pasiskevicius, Dmitry B. Kolker, Valeriy Badikov, Dmitrii Badikov, Galina Shevyrdyaeva, Andrius Zukauskas, Vladimir Panyutin, "Frequency down-conversion of 1 μm laser radiation to the mid-IR using non-oxide nonlinear crystals in a cascaded intracavity configuration", Proc. SPIE 10088, Nonlinear Frequency Generation and Conversion: Materials and Devices XVI, 1008810 (20 February 2017); doi: 10.1117/12.2255643; https://doi.org/10.1117/12.2255643
PROCEEDINGS
11 PAGES


SHARE
Back to Top