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Optical Engineering

Eye-safe singly resonant KTP parametric oscillator pumped inside the Nd:YAG laser cavity
Author(s): Razvan V. Dabu; Aurel Stratan; Constantin G. Fenic; C. Luculescu; G. L. Muscalu
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Paper Abstract

We describe a singly resonant optical parametric oscillator (OPO) using a noncritically phase-matched KTP crystal, intracavitypumped by a Q-switched Nd:YAG laser. Signal pulse energy of as much as 8.1 mJ in the eye-safe range at 1.58-?m wavelength was coupled out of the cavity. We have elaborated a simple model of an intracavity laserpumped OPO (IOPO), based on the rate equations for the Q-switched laser combined with the coupled equations for the parametric interaction in the nonlinear crystal. At 1.5 times pulsed IOPO threshold, signal pulse widths of 5 and 6 ns were calculated and detected, respectively.

Paper Details

Date Published: 1 March 2001
PDF: 5 pages
Opt. Eng. 40(3) doi: 10.1117/1.1349217
Published in: Optical Engineering Volume 40, Issue 3
Show Author Affiliations
Razvan V. Dabu, Institute for Atomic Physics (Romania)
Aurel Stratan, National Inst. for Laser, Plasma & Radiation Phys. (Romania)
Constantin G. Fenic, Institute for Atomic Physics (Romania)
C. Luculescu, National Institute for Laser, Plasma and Radiation (Romania)
G. L. Muscalu, S.C. Pro Optica SA (Romania)

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