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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 7 — Jul. 1, 2014
  • pp: 071701–

Experimental study of ultrasound-modulated scattering light using different frequencies ultrasound probes

Lili Zhu, Wenming Xie, Zhifang Li, and Hui Li  »View Author Affiliations


Chinese Optics Letters, Vol. 12, Issue 7, pp. 071701- (2014)


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Abstract

The focused ultrasound plays a role in localization and modulating the scattering light in ultrasound-modulated optical tomography (UOT). Both the modulation efficiency of the scattering light and the spatial resolution of UOT are determined by ultrasound. The effects of repetition frequency and pulse energy of impulse ultrasound on the modulated scattering light are derived through experiment in this letter. Furthermore, we compare the imaging sensitivity with 1, 2.25, 5, and 10 MHz center frequencies of impulse ultrasound. Experimental results demonstrate that better signal-to-noise ratios and higher sensitivities can be gained by use of more intense ultrasound and lower ultrasound frequencies.

© 2014 Chinese Optics Letters

OCIS Codes
(170.0110) Medical optics and biotechnology : Imaging systems
(170.7170) Medical optics and biotechnology : Ultrasound
(170.1065) Medical optics and biotechnology : Acousto-optics

ToC Category:
Medical Optics and Biotechnology

Citation
Lili Zhu, Wenming Xie, Zhifang Li, and Hui Li, "Experimental study of ultrasound-modulated scattering light using different frequencies ultrasound probes," Chin. Opt. Lett. 12, 071701- (2014)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-12-7-071701

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