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Proceedings Paper

Tunable high-pulse-energy mid-infrared laser source based on optical parametric amplification in ZnGeP(2)
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Paper Abstract

Nonlinear optical conversion of high-energy 1.064 μm pulses from a Q-switched Nd:YAG laser to the mid-infrared is demonstrated. The experimental setup is based on a two-stage master-oscillator/power-amplifier (MOPA) design with a KTiOPO4 based MOPA in the first stage and a KTiOAsO4/ZnGeP2 based MOPA in the second stage. The setup can be tuned to provide output at wavelengths within the transparency range of ZnGeP2. We obtain more than 8 mJ at 8 μm, and up to 33 mJ in the 3-5 μm wavelength region. The measured beam quality factors are in the range M2 =2-4 for both wavelength regions.

Paper Details

Date Published: 2 October 2008
PDF: 9 pages
Proc. SPIE 7115, Technologies for Optical Countermeasures V, 71150Q (2 October 2008); doi: 10.1117/12.800079
Show Author Affiliations
M. W. Haakestad, Norwegian Defence Research Establishment (Norway)
G. Arisholm, Norwegian Defence Research Establishment (Norway)
E. Lippert, Norwegian Defence Research Establishment (Norway)
S. Nicolas, Norwegian Defence Research Establishment (Norway)
G. Rustad, Norwegian Defence Research Establishment (Norway)
K. Stenersen, Norwegian Defence Research Establishment (Norway)


Published in SPIE Proceedings Vol. 7115:
Technologies for Optical Countermeasures V
David H. Titterton; Mark A. Richardson, Editor(s)

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