Dynamic characteristics of laser-induced vapor bubble formation in water based on high speed camera

Xian-zeng Zhang; Wenqing Guo; Zhenlin Zhan; Shusen Xie

doi:10.1117/12.2035067

21 August 2013 Dynamic characteristics of laser-induced vapor bubble formation in water based on high speed camera

Xian-zeng Zhang, Wenqing Guo, Zhenlin Zhan, Shusen Xie

Proceedings Volume 8908, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Sensors and Applications; 89082O (2013) https://doi.org/10.1117/12.2035067
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

In clinical practice, laser ablation usually works under liquid environment such as water, blood or their mixture. Laser-induced vapor bubble or bubble formation and its consequent dynamics were believed to have important influence on tissue ablation. In the paper, the dynamic process of vapor bubble formation and consequently collapse induced by pulsed Ho:YAG laser in static water was investigated by using high-speed camera. The results showed that vapor channel / bubble can be produced with pulsed Ho:YAG laser, and the whole dynamic process of vapor bubble formation, pulsation and consequently collapse can be monitored by using high-speed camera. The dynamic characteristics of vapor bubble, such as pulsation period, the maximum depth and width were determined. The dependence of above dynamic parameters on incident radiant exposure was also presented. Based on which, the influence of vapor bubble on hard tissue ablation was discussed.

Citation Download Citation

Xian-zeng Zhang, Wenqing Guo, Zhenlin Zhan, and Shusen Xie "Dynamic characteristics of laser-induced vapor bubble formation in water based on high speed camera ", Proc. SPIE 8908, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Sensors and Applications, 89082O (21 August 2013); https://doi.org/10.1117/12.2035067

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