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Optics Letters

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  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 2925–2927

Coherent Brillouin spectroscopy in a strongly scattering liquid by picosecond ultrasonics

A. A. Maznev, K. J. Manke, C. Klieber, Keith A. Nelson, S. H. Baek, and C. B. Eom  »View Author Affiliations


Optics Letters, Vol. 36, Issue 15, pp. 2925-2927 (2011)
http://dx.doi.org/10.1364/OL.36.002925


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Abstract

In a modification of a picosecond ultrasonic technique, a short acoustic pulse is launched into a liquid sample by a laser pulse absorbed in a semitransparent transducer film and is detected via coherent Brillouin scattering of a time-delayed probe pulse. With both excitation and probing performed from the transducer side, the arrangement is suitable for in vivo study of biological tissues. The signal is collected from a micrometer-thick layer next to the transducer and is not affected by the diffuse scattering of probe light deeper in the sample. The setup, utilizing a 33 nm thick single crystal SrRuO 3 transducer film, is tested on a full fat milk sample, with 11 GHz acoustic frequency recorded.

© 2011 Optical Society of America

OCIS Codes
(170.7050) Medical optics and biotechnology : Turbid media
(170.7170) Medical optics and biotechnology : Ultrasound
(290.5830) Scattering : Scattering, Brillouin
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(170.6935) Medical optics and biotechnology : Tissue characterization

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: May 4, 2011
Revised Manuscript: July 1, 2011
Manuscript Accepted: July 4, 2011
Published: August 1, 2011

Virtual Issues
Vol. 6, Iss. 9 Virtual Journal for Biomedical Optics

Citation
A. A. Maznev, K. J. Manke, C. Klieber, Keith A. Nelson, S. H. Baek, and C. B. Eom, "Coherent Brillouin spectroscopy in a strongly scattering liquid by picosecond ultrasonics," Opt. Lett. 36, 2925-2927 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-15-2925

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