Efficient second-harmonic generation of a CO2 laser with a quasi-phase-matched GaAs crystal |
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| Authors: | Lallier E Brevignon M Lehoux J |
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| Affiliation: | Thomson-CSF/Laboratoire Central de Recherches, Domaine de Corbeville, 91404 Orsay, France. |
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| Abstract: | We report on the fabrication and characterization of 5-mm-long quasi-phase-matched diffusion-bonded GaAs crystals designed for frequency doubling of a CO(2) laser. Second-harmonic generation of a pulsed laser yielded up to 24% peak power efficiency at 20 MW/cm(2) . Tunability and laser damage threshold are also investigated. |
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