Spatiotemporal heterodyne detection
JOSA A, Vol. 24, Issue 9, pp. 2701-2709 (2007)
http://dx.doi.org/10.1364/JOSAA.24.002701
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Abstract
We describe a scheme in which a camera is turned into an efficient tunable frequency filter of a few-Hertz bandwidth in an off-axis, heterodyne optical mixing configuration, enabling one to perform parallel, high-resolution coherent spectral imaging. This approach is made possible through the combination of a spatial and temporal modulation of the signal to reject noise contributions. Experimental data obtained with dynamically scattered light by a suspension of particles in Brownian motion is interpreted.
© 2007 Optical Society of America
OCIS Codes
(040.2840) Detectors : Heterodyne
(090.2880) Holography : Holographic interferometry
(110.1650) Imaging systems : Coherence imaging
(170.1650) Medical optics and biotechnology : Coherence imaging
(300.6310) Spectroscopy : Spectroscopy, heterodyne
ToC Category:
Detectors
History
Original Manuscript: September 14, 2006
Revised Manuscript: January 27, 2007
Manuscript Accepted: April 20, 2007
Published: July 31, 2007
Virtual Issues
Vol. 2, Iss. 10 Virtual Journal for Biomedical Optics
Citation
Michael Atlan and Michel Gross, "Spatiotemporal heterodyne detection," J. Opt. Soc. Am. A 24, 2701-2709 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-9-2701
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