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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 3, Iss. 8 — Aug. 18, 2008

Low-threshold cavitation in water using IR laser pulse trains

G. I. Zheltov, V. A. Lisinetskii, A. S. Grabtchikov, and V. A. Orlovich  »View Author Affiliations


Applied Optics, Vol. 47, Issue 20, pp. 3549-3554 (2008)
http://dx.doi.org/10.1364/AO.47.003549


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Abstract

The low-temperature cavitational disruption by trains of laser pulses was demonstrated in water. The trains used in the experiment were generated by a Raman laser at a wavelength of 1626 nm . The mean value of the fragmentation threshold energy density per pulse in a train was estimated to be equal to 7.2 × 10 6 J / m 3 . The corresponding amplitude of the negative pressure had the order of 6 7 bars at a temperature jump of only about 2 ° C . This result opens up prospects for developing precision nonthermal cavitational laser surgery.

© 2008 Optical Society of America

OCIS Codes
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3550) Lasers and laser optics : Lasers, Raman
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: August 28, 2007
Revised Manuscript: June 3, 2008
Manuscript Accepted: June 13, 2008
Published: July 2, 2008

Virtual Issues
Vol. 3, Iss. 8 Virtual Journal for Biomedical Optics

Citation
G. I. Zheltov, V. A. Lisinetskii, A. S. Grabtchikov, and V. A. Orlovich, "Low-threshold cavitation in water using IR laser pulse trains," Appl. Opt. 47, 3549-3554 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-47-20-3549

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