Widely and Continuously Tunable Optical Parametric Generator
Infrared Laser¹

Shuyan Diao

Electric Vehicle and New Energy Technology Research Institute, Linyi University, Linyi, 276005 China

e-mail: dsyzxy@163.com

Received June 6, 2012

Abstract—The experimental results of a high efficiency infrared laser are demonstrated on a quasi phase
matched optical parametric generator in PPMgLN (5% MgO doping) pumped by a 1064 nm Nd:YAG laser. A
broad continuous signal spectrum 1.56–1.67 m are obtained by tuning the crystal temperature from 20C to
200C. When the average pump power is 1.82 W with about 70 ns pulse duration operating at a repetition rate
of 10 kHz, the maximum total output power of the PPMgLN OPG is about 323.58 mW consisting of 210mW
of 1.639 m signal radiation and 113.58 mW of 3.02 m idler radiation.

DOI: 10.1134/S1054660X12120055

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