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Proceedings Paper

Acousto-optical imaging of absorbing objects in scattering media
Author(s): Aleksandr P. Solov'ev; Yurii P. Sinichkin; Mikhail I. Perchenko; Olga V. Zyuryukina
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Paper Abstract

On the basis of the Bragg diffraction model of coherent- optical interaction of laser radiation with ultrasonic wave, the influence of ultrasound axis position and ultrasound frequency value on the amplitude characteristics of ac photodetector current at the ultrasound frequency was theoretically analyzed. For intermediate scattering regime where the ballistic and low-step scattered light components are comparable in their values, the images of the absorbing squares were reconstructed on the base of the ac current amplitude at 3 MHz frequency and dc current distributions. The possibilities of the acousto-optical imaging of scattering medium were discussed on the basis of the results obtained after comparison with traditional measurements of dc photocurrent distributions.

Paper Details

Date Published: 31 May 2002
PDF: 7 pages
Proc. SPIE 4705, Saratov Fall Meeting 2001: Coherent Optics of Ordered and Random Media II, (31 May 2002); doi: 10.1117/12.469014
Show Author Affiliations
Aleksandr P. Solov'ev, Saratov State Univ. (Russia)
Yurii P. Sinichkin, Saratov State Univ. (Russia)
Mikhail I. Perchenko, Saratov State Univ. (Russia)
Olga V. Zyuryukina, Saratov State Univ. (Russia)

Published in SPIE Proceedings Vol. 4705:
Saratov Fall Meeting 2001: Coherent Optics of Ordered and Random Media II
Dmitry A. Zimnyakov, Editor(s)

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