Propagation of femtosecond laser pulse with one-dimensional intensity modulation

deng jianqin; wang youwen; zhang lifu; zhang jin; wen shuangchun

Volume 22 Issue 08

Jul. 2010

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Article Navigation > High Power Laser and Particle Beams > 2010 > 22(08): 0-

shi jun, xiao sha-li, wang hong-jian, et al. Diagnosis of X-ray spectrum of Z-pinch plasma with mica curved crystal spectrometer[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

deng jianqin, wang youwen, zhang lifu, et al. Propagation of femtosecond laser pulse with one-dimensional intensity modulation[J]. High Power Laser and Particle Beams, 2010, 22.

shi jun, xiao sha-li, wang hong-jian, et al. Diagnosis of X-ray spectrum of Z-pinch plasma with mica curved crystal spectrometer[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

deng jianqin, wang youwen, zhang lifu, et al. Propagation of femtosecond laser pulse with one-dimensional intensity modulation[J]. High Power Laser and Particle Beams, 2010, 22.

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Propagation of femtosecond laser pulse with one-dimensional intensity modulation

1.
Key Laboratory for Micro/Nano Opto-Electronic Devices of Ministry of Education,School of Computer and Communication,Hunan University,Changsha 410082,China

Publish Date: 2010-07-12

Abstract

Abstract

The growth of interference fringes caused by nonlinear propagation instabilities has been experimentally investigated using a femtosecond pulsed laser. This paper reports the measurements of growth rate for fringes in a glass cuvette filled with CS2 as a function of fringe spacing and intensity. The ripples grow rapidly when the modulated beam propagates in the nonlinear media, and there exists a modulation frequency where the intensity modulation grows fastest and filamentation happens. Numerical results show good agreement with the experimental results．
- self-focusing,
- femtosecond laser,
- filamentation,
- modulation instability

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