Diode-Pumped Green Light Source Based on Intracavity Sum
Frequency Generation¹

Q. Fu* and H. L. Jiang

Space Photoelectric Technology Institute, Changchun University of Sciences and Technology, Changchun 130022, China

*e-mail: cust_fuqiang@163.com

Received December 15, 2011; in final form, December 20, 2011; published online April 3, 2012

Abstract—We report a continuous-wave (CW) green laser emission by sum-frequency mixing in Nd:YVO₄
and Nd:YLF crystals. Using type-II critical phase-matching (CPM) KTP crystal, a green laser at 539 nm is
obtained by 914 and 1313 nm intracavity sum-frequency mixing. The maximum laser output power of 388mW
is obtained when an incident pump laser of 18.2 W is used. At the output power level of 388 mW, the output
stability is better than 4.6%.

DOI: 10.1134/S1054660X12050106

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