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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 12 — Jun. 15, 2009
  • pp: 1807–1809

High-sensitivity ultrasound interferometric single-mode polymer optical fiber sensors for biomedical applications

Daniel Gallego and Horacio Lamela  »View Author Affiliations

Optics Letters, Vol. 34, Issue 12, pp. 1807-1809 (2009)

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This work describes the results of ultrasonic wideband sensors based on single-mode polymer optical fibers that may be used for biomedical applications. We have compared the ultrasonic sensitivities of two Mach–Zehnder interferometric intrinsic optical fiber sensors. One is based on a single-mode polymethylmethacrylate optical fiber and the second on single-mode silica optical fiber, both operating at 632.8 nm. At a frequency of 1 MHz these sensitivities are 13.1 and 0.85 mrad/kPa, respectively. The ultrasonic phase sensitivity of the polymer optical fiber is more than 12 times larger than that from the fused silica fiber in the 1–5 MHz range.

© 2009 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(170.5120) Medical optics and biotechnology : Photoacoustic imaging
(170.7170) Medical optics and biotechnology : Ultrasound

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: March 10, 2009
Manuscript Accepted: April 24, 2009
Published: June 8, 2009

Virtual Issues
Vol. 4, Iss. 8 Virtual Journal for Biomedical Optics

Daniel Gallego and Horacio Lamela, "High-sensitivity ultrasound interferometric single-mode polymer optical fiber sensors for biomedical applications," Opt. Lett. 34, 1807-1809 (2009)

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