High repetition rate optical parametric oscillator based on a periodically poled lithium niobate crystal pumped by nanosecond Q-switched Nd:YVO[sub]4[/sub] laser

Lauryna Petravičiūtė; Ona Balachninaitė; Valdas Sirutkaitis

doi:10.1117/12.815644

2 December 2008 High repetition rate optical parametric oscillator based on a periodically poled lithium niobate crystal pumped by nanosecond Qswitched Nd:YVO₄ laser

Lauryna Petravičiūtė, Ona Balachninaitė, Valdas Sirutkaitis

Author Affiliations +

Proceedings Volume 7142, Sixth International Conference on Advanced Optical Materials and Devices (AOMD-6); 71420G (2008) https://doi.org/10.1117/12.815644
Event: Sixth International Conference on Advanced Optical Materials and Devices, 2008, Riga, Latvia

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.

Citation Download Citation

Lauryna Petravičiūtė, Ona Balachninaitė, and Valdas Sirutkaitis "High repetition rate optical parametric oscillator based on a periodically poled lithium niobate crystal pumped by nanosecond Qswitched Nd:YVO₄ laser", Proc. SPIE 7142, Sixth International Conference on Advanced Optical Materials and Devices (AOMD-6), 71420G (2 December 2008); https://doi.org/10.1117/12.815644

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