Measurements of laser-induced shock waves in aluminum targets using PVDF gauges

Zhiyong Li; Wenhui Zhu; Jingyi Cheng; Jun Xi; Dahao Guo; Hongxing Wu

doi:10.1117/12.253120

30 September 1996 Measurements of laser-induced shock waves in aluminum targets using PVDF gauges

Zhiyong Li, Wenhui Zhu, Jingyi Cheng, Jun Xi, Dahao Guo, Hongxing Wu

Proceedings Volume 2888, Laser Processing of Materials and Industrial Applications; (1996) https://doi.org/10.1117/12.253120
Event: Photonics China '96, 1996, Beijing, China

Abstract

Measurements of laser induced shock pressures are made using polyvenyliden fluoride (PVDF) gauges which were stoke on the back of 0.04 and 0.2 mm thick targets, covered with polymethyl methacrylate (PMMA) windows and irradiated by laser pulses of 33 ns duraction, at incident intensity between 10⁸ and 10⁹ W/cm². The integral shock profiles on the front face of PVDF and the decay of laser induced shocks were obtained by measuring the shock pressures in aluminum targets with different thickness. The experimental results are analyzed by the way of computer simulations to illustrate the decay of the shock peak pressures and the shock profile evolution.

Citation Download Citation

Zhiyong Li, Wenhui Zhu, Jingyi Cheng, Jun Xi, Dahao Guo, and Hongxing Wu "Measurements of laser-induced shock waves in aluminum targets using PVDF gauges", Proc. SPIE 2888, Laser Processing of Materials and Industrial Applications, (30 September 1996); https://doi.org/10.1117/12.253120

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