Laser pulse pattern influenced by mosaic grating gap

qian guolin; wu jianhong; li chaoming

Volume 23 Issue 12

Feb. 2016

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References

Article Navigation > High Power Laser and Particle Beams > 2011 > 23(12): 5-6

wang jia-yin, shi jia-ming, yuan zhong-cai, et al. Plasma diagnostic method using the transmission attenuation of microwaves at three frequencies[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

qian guolin, wu jianhong, li chaoming. Laser pulse pattern influenced by mosaic grating gap[J]. High Power Laser and Particle Beams, 2011, 23: 5-6.

wang jia-yin, shi jia-ming, yuan zhong-cai, et al. Plasma diagnostic method using the transmission attenuation of microwaves at three frequencies[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

qian guolin, wu jianhong, li chaoming. Laser pulse pattern influenced by mosaic grating gap[J]. High Power Laser and Particle Beams, 2011, 23: 5-6.

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Laser pulse pattern influenced by mosaic grating gap

1.
Institute of Information Optical Engineering,Soochow University,Suzhou 215006,China;
2.
Department of Electronic Information Engineering,Suzhou Vocational University,Suzhou 215104,China

Publish Date: 2011-12-14

Abstract

Abstract

High energy efficiency and well-distributed output on the surface of the chirped pulse grating are required in the laser pulse compressor with mosaic gratings as the dispersion element. Fresnel-Kirchhoffs diffraction theory is utilized to study the light distribution on the grating surface and the far-field diffraction pattern. The variations of the light intensity on the grating surface and the maximum value of the far-field light intensity influenced by the mosaic grating gap are calculated. It is found that the light distribution is related to the width of the gap for light incidence near the Littrow angle, and the width of the gap should be limited within 0.5 mm. When the diffraction efficiency of the gap increases, the light distribution will be more uniform and the output ener
- mosaic grating,
- diffraction efficiency,
- chirped pulse amplification,
- pulse compressor grating,
- grating gap

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