End-pumped coupling system based on large-aperture laser diode array

Wang Zhenguo; Duan Wentao; Zheng Jiangang; Jiang Xinying; Yan XiongWei; Li Mingzhong

Volume 24 Issue 07

Jun. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(07): 1683-1686

ding shi-chuan, liu gong-fa, xuan ke, et al. MATLAB based beam orbit correction system of HLS storage ring[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

Wang Zhenguo, Duan Wentao, Zheng Jiangang, et al. End-pumped coupling system based on large-aperture laser diode array[J]. High Power Laser and Particle Beams, 2012, 24: 1683-1686.

ding shi-chuan, liu gong-fa, xuan ke, et al. MATLAB based beam orbit correction system of HLS storage ring[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

Wang Zhenguo, Duan Wentao, Zheng Jiangang, et al. End-pumped coupling system based on large-aperture laser diode array[J]. High Power Laser and Particle Beams, 2012, 24: 1683-1686.

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End-pumped coupling system based on large-aperture laser diode array

1.
Research Center of Laser Fusion,CAEP,P.O.Box 919-988,Mianyang 621900,China

Publish Date: 2012-07-15

Abstract

Abstract

In order to meet the pump power density requirements of room-temperature Yb: YAG laser amplifier, a coupling system of high contraction coefficient has been designed. Laser diode (LD) arrays of 80 kW output power are arranged to be spherical. Orthogonal cylindrical lenses and a hollow duct are used for pump-coupling according to luminescence properties of LD. The contraction coefficient is up to 86∶1. Simulations show that the coupling efficiency of the coupling system depends weakly on the reflectivity of the reflectors of the hollow duct. The pump light can transport over a distance of at least 8.5 mm with its shape maintained. The coupling system can meet the requirements of the end-pumped room-temperature Yb:YAG slab amplifier.
- laser technique,
- laser diode array,
- pump-coupling,
- orthogonal cylindrical lens,
- hollow duct

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