Numerical simulation of impulse coupling to aluminum target in laser ablation in vacuum

yuan hong; tong huifeng; sun chengwei; zhao jianheng; li mu

Volume 22 Issue 12

Dec. 2010

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Article Navigation > High Power Laser and Particle Beams > 2010 > 22(12): 0-

li zhe, zhang wei, zhao wei, et al. Impact of injection noise on locked starting of fiber lasers[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

yuan hong, tong huifeng, sun chengwei, et al. Numerical simulation of impulse coupling to aluminum target in laser ablation in vacuum[J]. High Power Laser and Particle Beams, 2010, 22.

li zhe, zhang wei, zhao wei, et al. Impact of injection noise on locked starting of fiber lasers[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

yuan hong, tong huifeng, sun chengwei, et al. Numerical simulation of impulse coupling to aluminum target in laser ablation in vacuum[J]. High Power Laser and Particle Beams, 2010, 22.

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Numerical simulation of impulse coupling to aluminum target in laser ablation in vacuum

1.
Institute of Fluid Physics,CAEP,P.O.Box 919-113,Mianyang 621900,China

Publish Date: 2010-12-07

Abstract

Abstract

Analyzing the interaction mechanism of laser with target and vaporized target material, a one-dimensional bulk absorption model to simulate the solid target ablated directly by the laser beam is presented, numerical calculation of impulse acting on the target in vacuum with different laser parameters is performed with fluid dynamics theory and 1D Lagrange difference scheme. The calculated values of the impulse coupling coefficient are in good agreement with the experimental results and Phipps’s empirical value. From the calculated results, the impulse coupling coefficient decreases with the increment of laser intensity when the laser pulse generates a plasma.
- impulse coupling,
- plasma,
- laser-driven,
- flyer

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