Frequency-doubling of a CW fiber laser using PPKTP, PPMgSLT, and PPMgLN
Optics Express, Vol. 15, Issue 20, pp. 12882-12889 (2007)
http://dx.doi.org/10.1364/OE.15.012882
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Abstract
Second-harmonic generation (SHG) in PPKTP, PPMgSLT, and PPMgLN crystals is analyzed by frequency-doubling CW light from a 1064 nm fiber laser over a range of powers up to 10 W. Data for fundamental powers less than 3 W is used to determine the effects of the fundamental laser linewidth on SHG and to identify imperfections in the periodicity and boundary sharpness of the crystals’ poled domains which can reduce SHG. Data for fundamental powers greater than 3 W is used to diagnose and model limiting effects on SHG such as pump depletion and thermal dephasing. Thermal dephasing was found to reduce second-harmonic power by 25% or more for input fundamental powers approaching 10 W.
© 2007 Optical Society of America
OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4400) Nonlinear optics : Nonlinear optics, materials
ToC Category:
Nonlinear Optics
History
Original Manuscript: January 22, 2007
Manuscript Accepted: April 1, 2007
Published: September 21, 2007
Citation
F. J. Kontur, I. Dajani, Yalin Lu, and R. J. Knize, "Frequency-doubling of a CW fiber laser using PPKTP, PPMgSLT, and PPMgLN," Opt. Express 15, 12882-12889 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-20-12882
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