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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 15 — Jul. 28, 2014
  • pp: 18119–18127

Broadband miniature fiber optic ultrasound generator

Xiaotian Zou, Nan Wu, Ye Tian, and Xingwei Wang  »View Author Affiliations

Optics Express, Vol. 22, Issue 15, pp. 18119-18127 (2014)

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This paper presents the design, fabrication and characterization of a broadband miniature fiber optic ultrasound generator based on photoacoustic (PA) ultrasound generation principle for biomedical ultrasound imaging and ultrasound non-destructive test (NDT) applications. A novel PA generation material, gold nanocomposite, was synthesized by directly reducing gold nanoparticles within polydimethylsiloxane (PDMS) through a one-pot protocol. The fiber optic ultrasound generator was fabricated by coating the gold nanocomposite on the tip of the optical fiber. The efficiency of the PA generation using gold nanocomposite was increased 105 compared to using aluminum thin film and 103 compared to using graphite mixed within epoxy. The ultrasound profile and the acoustic distribution have been characterized. The amplitude of the generated ultrasound signal was as high as 0.64 MPa and the bandwidth was more than 20 MHz. This paper also demonstrated its capability for ultrasound imaging of a tissue specimen.

© 2014 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2350) Fiber optics and optical communications : Fiber optics imaging
(110.7170) Imaging systems : Ultrasound

ToC Category:
Fiber Optics

Original Manuscript: May 20, 2014
Revised Manuscript: July 4, 2014
Manuscript Accepted: July 8, 2014
Published: July 18, 2014

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

Xiaotian Zou, Nan Wu, Ye Tian, and Xingwei Wang, "Broadband miniature fiber optic ultrasound generator," Opt. Express 22, 18119-18127 (2014)

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