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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 18 — Sep. 1, 2008
  • pp: 14263–14273

High-pulse-energy mid-infrared laser source based on optical parametric amplification in ZnGeP2

Magnus W. Haakestad, Gunnar Arisholm, Espen Lippert, Stephane Nicolas, Gunnar Rustad, and Knut Stenersen  »View Author Affiliations


Optics Express, Vol. 16, Issue 18, pp. 14263-14273 (2008)
http://dx.doi.org/10.1364/OE.16.014263


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Abstract

Nonlinear optical conversion of 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 8 µm or in the 3–5 µm wavelength region. We obtain more than 8 mJ at 8 µm, and up to 33 mJ at 3–5 µm. The measured beam quality factors are in the range M2=2–4 for both wavelength regions.

© 2008 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3580) Lasers and laser optics : Lasers, solid-state
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 28, 2008
Manuscript Accepted: August 11, 2008
Published: August 28, 2008

Citation
Magnus W. Haakestad, Gunnar Arisholm, Espen Lippert, Stephane Nicolas, Gunnar Rustad, and Knut Stenersen, "High-pulse-energy mid-infrared laser source based on optical parametric amplification in ZnGeP2," Opt. Express 16, 14263-14273 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-18-14263


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