Tunable Mid-infrared ZnGeP_2 RISTRA OPO pumped by periodically-poled Rb:KTP optical parametric master-oscillator power amplifier

A laser-diode pumped Q-switched single-frequency Nd:YAG MOPA operating at 100 Hz was used to generate tunable mid-infrared radiation between 6.27 µm and 8.12 µm by employing a cascaded parametric arrangement consisting of degenerate parametric master-oscillator power amplifier using a large aperture...

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Bibliographic Details
Published in:Optics express 2012-02, Vol.20 (4), p.4509
Main Authors: Stoeppler, G., Thilmann, N., Pasiskevicius, V., Zukauskas, A., Canalias, C., Eichhorn, M.
Format: Article
Language:English
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Summary:A laser-diode pumped Q-switched single-frequency Nd:YAG MOPA operating at 100 Hz was used to generate tunable mid-infrared radiation between 6.27 µm and 8.12 µm by employing a cascaded parametric arrangement consisting of degenerate parametric master-oscillator power amplifier using a large aperture periodically-poled Rb:KTiOPO 4 which in turn pumped a ZnGeP 2 (ZGP) nonplanar RISTRA OPO. The noncollinear ZGP RISTRA tuning behavior is elucidated. The device is aimed for minimally invasive surgery applications at 6.45 µm where the peak power of 193 kW in 5 ns pulses is demonstrated.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.20.004509