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Proceedings Paper

High pulse energy mid-infrared laser source
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Paper Abstract

Nonlinear optical conversion of 500 mJ pulses from a Nd:YAG laser to the mid-infrared is demonstrated in a two-step architecture. Using a type 2 phase matched KTiOPO4-based master-oscillator/power-amplifier (MOPA) architecture for conversion to 2 μm, 140 mJ signal at 2.08 μm with M2 = 2.3 and 80 mJ idler at 2.18 μm were obtained. Using 58 mJ of the signal beam to pump a ZnGeP2-based MOPA, we have obtained 21 mJ in the 3-5 μm range with M2 ≈ 15.

Paper Details

Date Published: 4 November 2005
PDF: 7 pages
Proc. SPIE 5989, Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II, 598904 (4 November 2005); doi: 10.1117/12.629870
Show Author Affiliations
Gunnar Rustad, Norwegian Defence Research Establishment (Norway)
Stephane Nicolas, Norwegian Defence Research Establishment (Norway)
Ørnulf Nordseth, Norwegian Defence Research Establishment (Norway)
Gunnar Arisholm, Norwegian Defence Research Establishment (Norway)


Published in SPIE Proceedings Vol. 5989:
Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II
Sean M. Kirkpatrick; David H. Titterton; Roger Appleby; J. Martyn Chamberlain; Razvan Stoian; Keith A. Krapels, Editor(s)

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