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Proceedings Paper

Laser-induced cavitation as a tool for detecting microparticles
Author(s): Sergey Sergeivich Alimpiev; Yaroslav O. Simanovsky; Sergey V. Egerev; A. E. Pashin
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Paper Abstract

The optoacoustic device consisting of a XeCl excimer laser and a measurement cell with an attached piezotransducer was used for detecting microparticles suspended in liquid probes. The potential of optoacoustic diagnostics of microinhomogeneous liquids was enhanced by applying information parameters of optoacoustic response. Probes of distilled water and Dow Chemical latex suspension were used in experiments. It was shown that the optimal laser energy deposit for individual particle detection corresponds to the coexistence of the thermal expansion mechanism of optoacoustic conversion and the cavitation mechanism.

Paper Details

Date Published: 12 November 1993
PDF: 10 pages
Proc. SPIE 2107, CIS Selected Papers: Optical Monitoring of the Environment, (12 November 1993); doi: 10.1117/12.162164
Show Author Affiliations
Sergey Sergeivich Alimpiev, General Physics Institute (Russia)
Yaroslav O. Simanovsky, General Physics Institute (Russia)
Sergey V. Egerev, N. N. Andreev Acoustics Institute (Russia)
A. E. Pashin, N. N. Andreev Acoustics Institute (Russia)

Published in SPIE Proceedings Vol. 2107:
CIS Selected Papers: Optical Monitoring of the Environment
Nicholay N. Belov; Edmund I. Akopov, Editor(s)

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