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Proceedings Article

High pulse energy mid-infrared laser source

[+] Author Affiliations
Gunnar Rustad, Stephane Nicolas, Ørnulf Nordseth, Gunnar Arisholm

Norwegian Defence Research Establishment (Norway)

Proc. SPIE 5989, Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II, 598904 (November 03, 2005); doi:10.1117/12.629870
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From Conference Volume 5989

  • Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II
  • David H. Titterton; Sean M. Kirkpatrick; Razvan Stoian; Roger Appleby; J. Martyn Chamberlain; Keith A. Krapels
  • Bruges, Belgium | September 26, 2005

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.

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Gunnar Rustad ; Stephane Nicolas ; Ørnulf Nordseth and Gunnar Arisholm
"High pulse energy mid-infrared laser source", Proc. SPIE 5989, Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II, 598904 (November 03, 2005); doi:10.1117/12.629870; http://dx.doi.org/10.1117/12.629870


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