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Limitations of synthetic aperture laser optical feedback imaging |
JOSA A, Vol. 29, Issue 11, pp. 2247-2255 (2012)
http://dx.doi.org/10.1364/JOSAA.29.002247
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Abstract
In this paper we study the origin and the effect of amplitude and phase noise on laser optical feedback imaging associated with a synthetic aperture (SA) imaging system. Amplitude noise corresponds to photon noise and acts as an additive noise; it can be reduced by increasing the global measurement time. Phase noise can be divided in three families: random, sinusoidal, and drift phase noise; we show that it acts as a multiplicative noise. We explain how we can reduce phase noise by making oversampling or multiple measurements depending on its type. This work can easily be extended to all SA systems (radar, laser, or terahertz), especially when raw holograms are acquired point by point.
© 2012 Optical Society of America
OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(090.0090) Holography : Holography
(180.0180) Microscopy : Microscopy
(110.0113) Imaging systems : Imaging through turbid media
ToC Category:
Imaging Systems
History
Original Manuscript: June 20, 2012
Revised Manuscript: September 7, 2012
Manuscript Accepted: September 11, 2012
Published: October 5, 2012
Virtual Issues
Vol. 7, Iss. 12 Virtual Journal for Biomedical Optics
Citation
Wilfried Glastre, Olivier Jacquin, Olivier Hugon, Hugues Guillet de Chatellus, and Eric Lacot, "Limitations of synthetic aperture laser optical feedback imaging," J. Opt. Soc. Am. A 29, 2247-2255 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-29-11-2247
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