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Proceedings Paper

High repetition rate optical parametric oscillator based on a periodically poled lithium niobate crystal pumped by nanosecond Qswitched Nd:YVO4 laser
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Paper Abstract

We report the optimization of a tunable source of near-infrared radiation based on a multigrating periodically poled lithium niobate (PPLN). The pump source for the PPLN optical parametric oscillator (OPO) was diode pumped Qswitched nanosecond Nd:YVO4 laser emitting the radiation at 1064 nm with the pulse repetition rate from 0.2 kHz to 40 kHz. The influence of the output-coupler and the resonator length on the efficiency of the PPLN OPO was investigated. For this aim eight mirrors with different reflectance were tested. A minimum threshold of 30 μJ was measured. The highest output power was 660 mW at 1.64 μm when the pump power was 3 W at 15 kHz pulse repetition rate. The bulk grating periods of the PPLN structure determined the signal in the range of 1.49-2.1 μm and idler in the range of 2.1-3.8 μm.

Paper Details

Date Published: 2 December 2008
PDF: 7 pages
Proc. SPIE 7142, Sixth International Conference on Advanced Optical Materials and Devices (AOMD-6), 71420G (2 December 2008); doi: 10.1117/12.815644
Show Author Affiliations
Lauryna Petravičiūtė, Vilnius Univ. (Lithuania)
Ona Balachninaitė, Vilnius Univ. (Lithuania)
Valdas Sirutkaitis, Vilnius Univ. (Lithuania)


Published in SPIE Proceedings Vol. 7142:
Sixth International Conference on Advanced Optical Materials and Devices (AOMD-6)
Janis Spigulis; Andris Krumins; Donats Millers; Andris Sternberg; Inta Muzikante; Andris Ozols; Maris Ozolinsh, Editor(s)

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