Interaction dynamics of spatially separated cavitation bubbles in water

被引：22
|
作者：
Tinne, Nadine [1 ]
Schumacher, Silvia [1 ]
Nuzzo, Valeria [1 ]
Arnold, Cord L. [1 ]
Lubatschowski, Holger [1 ]
Ripken, Tammo [1 ]
机构：
[1] Laser Zentrum Hannover eV, D-30419 Hannover, Germany
来源：
JOURNAL OF BIOMEDICAL OPTICS | 2010年 / 15卷 / 06期
关键词：
fs-laser; laser-induced optical breakdown; LIOB; laser-tissue interaction; photodisruption; cavitation bubble; ophthalmology; LASER-INDUCED BREAKDOWN; INDUCED PLASMA FORMATION; FEMTOSECOND LASER; INTRALASE; BEHAVIOR; COLLAPSE;
D O I：
10.1117/1.3526366
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
We present a high-speed photographic analysis of the interaction of cavitation bubbles generated in two spatially separated regions by femtosecond laser-induced optical breakdown in water. Depending on the relative energies of the femtosecond laser pulses and their spatial separation, different kinds of interactions, such as a flattening and deformation of the bubbles, asymmetric water flows, and jet formation were observed. The results presented have a strong impact on understanding and optimizing the cutting effect of modern femtosecond lasers with high repetition rates (>1 MHz). (C) 2010 Society of Photo-Optical Instrumentation Engineers, [DOI: 10.1117/1.3526366]
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页数：10
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