Influence of Laser Pulse Spatial Profile on Optodynamic Source Shape in Liquid Media

• Authors: D. Horvat , M. Terzić
• Languages of publication: EN

Abstracts

EN

The aim of the present study is to demonstrate the influence of the spatial nonhomogeneity of the laser beam intensity profile on laser induced breakdown in aqueous medium with the use of optodynamic methods. In the experiment the optodynamic waves were induced with pulsed Nd:YAG laser beam which had several"hot spots". The resulting optodynamic transient waves were detected with two detectors: a laser beam deflection probe inside the liquid, parallel to the liquid surface and a piezoelectric transducer at the bottom of the container. The results of the experiment indicate the existence of numerous smaller waves that are observed before the main signal in the optodynamic wave form, contrary to wave forms generated with a laser beam having a smooth spatial profile.

Keywords

EN

42.62.Be

Discipline

• 42.62.Be: Biological and medical applications(see also 87.50.W-, 87.63.L-, and 87.80.Cc in biological and medical physics)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2007
• Volume: 112
• Issue: 5
• Pages: 1151-1156

Dates

published

2007-11

received

2007-09-03

Contributors

author

D. Horvat

• Faculty of Mechanical Engineering, University of Ljubljana, Ljubljana, Slovenia

author

M. Terzić

• Faculty of Science, University of Novi Sad, Novi Sad, Serbia

References

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Identifiers

DOI

10.12693/APhysPolA.112.1151