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LIU Li, WANG Sheng-bo, WU Hong-xing, GUO Da-hao, LIAO Pei-yu. Experimental study of high-power laser induced shock waves[J]. LASER TECHNOLOGY, 2007, 31(2): 134-136.
Citation: LIU Li, WANG Sheng-bo, WU Hong-xing, GUO Da-hao, LIAO Pei-yu. Experimental study of high-power laser induced shock waves[J]. LASER TECHNOLOGY, 2007, 31(2): 134-136.

Experimental study of high-power laser induced shock waves

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  • Received Date: January 15, 2006
  • Revised Date: March 23, 2006
  • Published Date: April 24, 2007
  • To improve the technology of modifying material properties by using laser induced shock waves,the properties of laser shock waves were studied.The piezoelectric waves were measured using a polyvinylidene fluoride(PVDF) piezoelectric gauge of a short rise time and a wide linear response range,together with an oscilloscope.Depending on the piezoelectric waves,laser-induced shock waves were measured.The laser-induced shock waves in the confinement geometry were analyzed and compared to that in the direct ablation regime.In the confined condition,the FWHM of laser-induced shock wave was three times that of laser and the peak pressure was much higher than that in the direct ablation regime.The average propagation velocity of the laser-induced shock wave in stainless steel was 5.72×103m/s.
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