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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 15 — Aug. 1, 2012
  • pp: 3216–3218

Acousto-optical coherence tomography with a digital holographic detection scheme

Emilie Benoit a la Guillaume, Salma Farahi, Emmanuel Bossy, Michel Gross, and Francois Ramaz  »View Author Affiliations


Optics Letters, Vol. 37, Issue 15, pp. 3216-3218 (2012)
http://dx.doi.org/10.1364/OL.37.003216


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Abstract

Acousto-optical coherence tomography (AOCT) consists in using random phase jumps on ultrasound and light to achieve a millimeter resolution when imaging thick scattering media. We combined this technique with heterodyne off-axis digital holography. Two-dimensional images of absorbing objects embedded in scattering phantoms are obtained with a good signal-to-noise ratio. We study the impact of the phase modulation characteristics on the amplitude of the acousto-optic signal and on the contrast and apparent size of the absorbing inclusion.

© 2012 Optical Society of America

OCIS Codes
(090.2880) Holography : Holographic interferometry
(110.7170) Imaging systems : Ultrasound
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(110.0113) Imaging systems : Imaging through turbid media
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: March 26, 2012
Revised Manuscript: May 23, 2012
Manuscript Accepted: June 25, 2012
Published: July 26, 2012

Virtual Issues
Vol. 7, Iss. 10 Virtual Journal for Biomedical Optics

Citation
Emilie Benoit a la Guillaume, Salma Farahi, Emmanuel Bossy, Michel Gross, and Francois Ramaz, "Acousto-optical coherence tomography with a digital holographic detection scheme," Opt. Lett. 37, 3216-3218 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-15-3216

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