Nonlinear dynamics of laser-induced bubble near elastic boundaries

Xiu Mei Liu; Jie He; Jian Lu; Xiao Wu Ni

doi:10.1117/12.756425

7 February 2008 Nonlinear dynamics of laser-induced bubble near elastic boundaries

Xiu Mei Liu, Jie He, Jian Lu, Xiao Wu Ni

Proceedings Volume 6839, Nonlinear Optics: Technologies and Applications; 68391J (2008) https://doi.org/10.1117/12.756425
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

Nonlinear dynamics of a laser-generated single cavitation bubble near an elastic boundary is investigated by a fiber-optic diagnostic technique based on optical beam deflection (OBD). The maximum bubble radii and the bubble life-time for each oscillation cycle are determined according to the characteristic signals. It is shown that with the increase of the number of oscillating cycles, the maximum radii and the life-time of the bubble are decreased sharply. Furthermore, the effect of material elasticity on nonlinear dynamics of cavitation bubble has also been investigated in some detail. The maximum bubble size and thus the bubble life time decreases with an increase in elastic modulus. In addition, increasing elastic modulus leads to a significant decrease of the collapse amplitude and the bubble energy. These results are valuable in the fields of cavitation erosion, collateral damage in laser surgery, and cavitation-mediated enhancement of pulsed laser ablation of tissue.

Citation Download Citation

Xiu Mei Liu, Jie He, Jian Lu, and Xiao Wu Ni "Nonlinear dynamics of laser-induced bubble near elastic boundaries", Proc. SPIE 6839, Nonlinear Optics: Technologies and Applications, 68391J (7 February 2008); https://doi.org/10.1117/12.756425

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