Frequency conversion of mode-locked and Q-switched CO laser radiation with efficiency up to 37% Yu. M. Andreev, O. V. Budilova, A. A. Ionin [et.al.]
Material type:
ArticleSubject(s): лазерное излучение | монооксид углеродаGenre/Form: статьи в журналах Online resources: Click here to access online
In:
Optics letters Vol. 40, № 13. P. 2997-3000Abstract: Frequency conversion of CO laser radiation was experimentally studied in ZnGeP2 and GaSe nonlinear crystals. To
enhance conversion efficiency, we applied a CO laser system “master oscillator power amplifier” with concurrent mode locking and Q switching. The laser system emitted ∼1-μs train of ns pulses. Internal efficiency of frequency doubling reached 37% in ZnGeP2 crystal and 5% in GaSe crystal. Two-stage frequency conversion (including secondharmonic and difference-frequency generation) in ZnGeP2 crystal under optical pumping by a selective two-spectral line CO laser was studied.
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Frequency conversion of CO laser radiation was experimentally studied in ZnGeP2 and GaSe nonlinear crystals. To
enhance conversion efficiency, we applied a CO laser system “master oscillator power amplifier” with concurrent mode locking and Q switching. The laser system emitted ∼1-μs train of ns pulses. Internal efficiency of frequency doubling reached 37% in ZnGeP2 crystal and 5% in GaSe crystal. Two-stage frequency conversion (including secondharmonic and difference-frequency generation) in ZnGeP2 crystal under optical pumping by a selective two-spectral line CO laser was studied.
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