Qiang Zhou, Rong Qiu, Yong Jiang, Xiang Gao, Yongjia Yang, Huili Wang, Huan Ren. Ultra-fast diagnosis of shock waves and plasma at front and rear surfaces in the bulk of fused silica induced by an Nd:YAG pulse laser[J]. Chinese Optics Letters, 2016, 14(5): 051402
- Chinese Optics Letters
- Vol. 14, Issue 5, 051402 (2016)
Fig. 1. Experimental setup.
Fig. 2. Time-resolved images of shock waves generated by 1064 and 532 nm pulse lasers at fused silica’s front surface with fluences of 27.6 and 15.7 J / cm 2
Fig. 3. Time-resolved images of 532 nm pulse laser ablation in the bulk of fused silica with fluence of 12.8 J / cm 2
Fig. 4. Shock wave expansion distance as a function of delay time.
Fig. 5. Time-resolved images of plasma and shock waves induced by 532 and 1064 nm pulse laser ablation fused silica at rear surface with fluences of 12.4 and 20 J / cm 2
Fig. 6. Shock wave expansion distance as a function of delay time.
Fig. 7. Time-resolved images of laser ablation fused silica rear surface by using 532 nm laser with fluence of 16.8 J / cm 2
Fig. 8. Calculated shock wave properties in fused silica as a function of the shock wave velocity D
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Table 1. Hugoniot Parameters of Fused Silica Used Here
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