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Optics Letters

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  • Vol. 37, Iss. 13 — Jul. 1, 2012
  • pp: 2514–2516

Acousto-optic laser optical feedback imaging

O. Jacquin, W. Glastre, E. Lacot, O. Hugon, H. Guillet de Chatellus, and F. Ramaz  »View Author Affiliations


Optics Letters, Vol. 37, Issue 13, pp. 2514-2516 (2012)
http://dx.doi.org/10.1364/OL.37.002514


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Abstract

We present a photon noise and diffraction-limited imaging method combining an imaging laser and ultrasonic waves. The laser optical feedback imaging (LOFI) technique is an ultrasensitive imaging method for imaging objects through or embedded within a scattering medium. However, LOFI performances are dramatically limited by parasitic optical feedback occurring in the experimental setup. In this Letter, we have tagged the ballistic photons by an acousto-optic effect in order to filter the parasitic feedback effect and to reach the theoretical and ultimate sensitivity of the LOFI technique. We present the principle and the experimental setup of the acousto-optic laser optical feedback imaging technique, and we demonstrate the suppression of the parasitic feedback.

© 2012 Optical Society of America

OCIS Codes
(110.4280) Imaging systems : Noise in imaging systems
(280.3420) Remote sensing and sensors : Laser sensors
(110.3175) Imaging systems : Interferometric imaging

ToC Category:
Remote Sensing and Sensors

History
Original Manuscript: April 11, 2012
Manuscript Accepted: April 27, 2012
Published: June 20, 2012

Citation
O. Jacquin, W. Glastre, E. Lacot, O. Hugon, H. Guillet de Chatellus, and F. Ramaz, "Acousto-optic laser optical feedback imaging," Opt. Lett. 37, 2514-2516 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-13-2514

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