End-pumped Nd:YAG zigzag slab laser with weak pump absorption
Chinese Optics Letters, Vol. 7, Issue 6, pp. 492-494 (2009)
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Abstract
A diode-pumped Nd:YAG oscillator laser with an end-pumped zigzag slab architecture and weak pump absorption is developed. An output power of 253 W with a slope efficiency of 50.2% and an optical-optical conversion efficiency of 39.6% is achieved from the resonator, which emits the maximum power of 290 W with 840-W pump power. An optimum laser diode (LD) array coolant temperature is chosen in an attempt to realize the weak but uniform pump absorption. Furthermore, we have confirmed that the performance of zigzag slab resonator depends sensitively on the incident angle of the beam at the slab end face.
© 2009 Chinese Optics Letters
OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4780) Lasers and laser optics : Optical resonators
Citation
Xing Fu, Qiang Liu, Xingpeng Yan, Jinyu Cui, and Mali Gong, "End-pumped Nd:YAG zigzag slab laser with weak pump absorption," Chin. Opt. Lett. 7, 492-494 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-6-492
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