Numerical simulation on coherent combination of multi-beam super-Gaussian laser

zhao na; tang chun; xie gang; hu hao

Volume 19 Issue 11

Nov. 2007

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Article Navigation > High Power Laser and Particle Beams > 2007 > 19(11): 0-

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:

zhao na, tang chun, xie gang, et al. Numerical simulation on coherent combination of multi-beam super-Gaussian laser[J]. High Power Laser and Particle Beams, 2007, 19.

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:

zhao na, tang chun, xie gang, et al. Numerical simulation on coherent combination of multi-beam super-Gaussian laser[J]. High Power Laser and Particle Beams, 2007, 19.

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Numerical simulation on coherent combination of multi-beam super-Gaussian laser

1.
Institute of Applied Electronics,CAEP,P.O.Box 919-1013,Mianyang 621900,China;
2.
Graduate School of CAEP,P.O.Box 2101,Beijing 100088,China

Publish Date: 2007-11-15

Abstract

Abstract

The mathematical model of coherent combination of super-Gaussian beams is established. When the interval of the coherent emitter arrays is 1 cm, the super-Gaussian order is 12, the beams intensity distribution of coherent combination is about 10 times as that of incoherent combination. The intensity distribution in various conditions is analyzed. The results show that when the random phase error is less than l/10, or the order of the super-Gaussian is more than 10, the beam intensity of the coherent combination hardly changes. When the beams interval increases, the intensity distribution of coherent combination decreases speedily and the beam quality gets worse. With the increase of the propagation distance of beams, the intensity increases and attenuates at last. The intensity distributio
- solid lasers,
- super-gaussian beam,
- coherent combination,
- intensity distribution,
- encircled-power ratio

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