Abstract
We report a doubly resonant continuous-wave CO2 laser frequency-quadrupling device that generates 200 nW of 2.55-μm (4ω) and as much as 2 mW of 5.1-ωm (2ω) radiation out of 1.7-W fundamental radiation at 10.2 μm (ω). The quadrupling process results from two resonant cascading second-harmonic generations by use of a walk-off-compensated twin AgGaSe2 device (ω → 2ω) and a ZnGeP2 nonlinear crystal (2ω → 4ω).
Original language | English |
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Pages (from-to) | 1302-1304 |
Number of pages | 3 |
Journal | Optics Letters |
Volume | 22 |
Issue number | 17 |
DOIs | |
Publication status | Published - Sep 1 1997 |
Externally published | Yes |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics