Self-aligned setup for laser optical feedback imaging insensitive to parasitic optical feedback
Applied Optics, Vol. 48, Issue 1, pp. 64-68 (2009)
http://dx.doi.org/10.1364/AO.48.000064
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Abstract
We propose a new optical architecture for the laser optical feedback imaging (LOFI) technique which makes it possible to avoid the adverse effect of the optical parasitic backscattering introduced by all the optical interfaces located between the laser source and the studied object. This proposed setup needs no specific or complex alignment, which is why we can consider the proposed setup to be self-aligned. We describe the principle used to avoid the parasitic backscattering contributions that dramatically deteriorate amplitude and phase information contained in the LOFI images. Finally, we give a successful demonstration of amplitude and phase images obtained with this self-aligned setup in the presence of a parasitic reflection.
© 2008 Optical Society of America
OCIS Codes
(110.2970) Imaging systems : Image detection systems
(110.3080) Imaging systems : Infrared imaging
(110.4280) Imaging systems : Noise in imaging systems
(280.3420) Remote sensing and sensors : Laser sensors
(110.3175) Imaging systems : Interferometric imaging
ToC Category:
Imaging Systems
History
Original Manuscript: July 15, 2008
Revised Manuscript: November 12, 2008
Manuscript Accepted: November 14, 2008
Published: December 17, 2008
Citation
Olivier Jacquin, Samuel Heidmann, Eric Lacot, and Olivier Hugon, "Self-aligned setup for laser optical feedback imaging insensitive to parasitic
optical feedback," Appl. Opt. 48, 64-68 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-1-64
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