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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 19 — Jul. 1, 2009
  • pp: 3671–3680

Optical observation of shock waves and cavitation bubbles in high intensity laser-induced shock processes

L. Martí-López, R. Ocaña, J. A. Porro, M. Morales, and J. L. Ocaña  »View Author Affiliations


Applied Optics, Vol. 48, Issue 19, pp. 3671-3680 (2009)
http://dx.doi.org/10.1364/AO.48.003671


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Abstract

We report an experimental study of the temporal and spatial dynamics of shock waves, cavitation bubbles, and sound waves generated in water during laser shock processing by single Nd:YAG laser pulses of nanosecond duration. A fast ICCD camera ( 2 ns gate time) was employed to record false schlieren photographs, schlieren photographs, and Mach–Zehnder interferograms of the zone surrounding the laser spot site on the target, an aluminum alloy sample. We recorded hemispherical shock fronts, cylindrical shock fronts, plane shock fronts, cavitation bubbles, and phase disturbance tracks.

© 2009 Optical Society of America

OCIS Codes
(070.6110) Fourier optics and signal processing : Spatial filtering
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(140.3440) Lasers and laser optics : Laser-induced breakdown
(350.3390) Other areas of optics : Laser materials processing

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 12, 2009
Revised Manuscript: April 29, 2009
Manuscript Accepted: May 27, 2009
Published: June 22, 2009

Citation
L. Martí-López, R. Ocaña, J. A. Porro, M. Morales, and J. L. Ocaña, "Optical observation of shock waves and cavitation bubbles in high intensity laser-induced shock processes," Appl. Opt. 48, 3671-3680 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-19-3671

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