Fourth-harmonic generation of a continuous-wave CO(2) laser by use of an AgGaSe(2)/ZnGeP(2) doubly resonant device.
- 1 September 1997
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 22 (17) , 1302-1304
- https://doi.org/10.1364/ol.22.001302
Abstract
We report a doubly resonant continuous-wave CO2 laser frequency-quadrupling device that generates 200 nW of and as much as 2 mW of radiation out of 1.7-W fundamental radiation at . The quadrupling process results from two resonant cascading second-harmonic generations by use of a walk-off-compensated twin AgGaSe2 device and a ZnGeP2 nonlinear crystal .
Keywords
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