Self-focusing propagation of ultra-short ultra-intense laser in under-dense plasmas

zhu bin; wu yuchi; dong kegong; wang lei; hong wei; liu hongjie; wen xianlun; jiao chunye; teng jian; he yingling; gu yuqiu

Volume 22 Issue 12

Dec. 2010

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zhu bin, wu yuchi, dong kegong, et al. Self-focusing propagation of ultra-short ultra-intense laser in under-dense plasmas[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

zhu bin, wu yuchi, dong kegong, et al. Self-focusing propagation of ultra-short ultra-intense laser in under-dense plasmas[J]. High Power Laser and Particle Beams, 2010, 22.

zhu bin, wu yuchi, dong kegong, et al. Self-focusing propagation of ultra-short ultra-intense laser in under-dense plasmas[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

zhu bin, wu yuchi, dong kegong, et al. Self-focusing propagation of ultra-short ultra-intense laser in under-dense plasmas[J]. High Power Laser and Particle Beams, 2010, 22.

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Self-focusing propagation of ultra-short ultra-intense laser in under-dense plasmas

1.
National Key Laboratory of Laser Fusion,Research Center of Laser Fusion,CAEP,P.O.Box 919-986,Mianyang 621900,China

Publish Date: 2010-12-07

Abstract

Abstract

Experiments have been performed using ultra-short (30 fs) ultra-intense laser pulse (up to 1018 W/cm2) focused into under-dense plasmas. A probe pulse was used for the shadowgraphy and the investigation on the propagation of laser under various conditions was presented. The results demonstrate that relativistic effect is the main self-focusing regime and the ratio of laser power to critical power is the key condition for self-focusing of the ultra-short ultra-intense laser in under-dense plasmas.
- ultra-short ultra-intense laser,
- under-dense plasmas,
- relativistic effect,
- self-focusing

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