3kW liquid–cooled elastically-supported Nd:YAG multi-slab CW laser resonator | Zendy

Xing Fu | Zendy; Peilin Li | Zendy; Qiang Liu | Zendy; Mali Gong | Zendy

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3kW liquid–cooled elastically-supported Nd:YAG multi-slab CW laser resonator

Author(s) -

Xing Fu,

Peilin Li,

Qiang Liu,

Mali Gong

Publication year - 2014

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.018421

Subject(s) - materials science , optics , slope efficiency , resonator , laser , optical cavity , thin disk , brewster's angle , multi mode optical fiber , fiber laser , optoelectronics , optical fiber , physics , brewster , stars , astronomy

A 3kW liquid-convection-cooled Nd:YAG CW laser resonator with a novel design is developed and demonstrated, in which the straight-through geometry is adopted that the oscillating laser propagates through multiple thin slabs and multiple cooling flow layers in Brewster angle. Using the elastically-supported Nd:YAG single-crystal thin slabs at different doping levels, a multimode laser output with the output power of 3006 W is obtained from the stable cavity at the pump power of 19960 W, corresponding to an optical-optical efficiency of 15.1%, and a slope efficiency of 21.2%.

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