Low-Coherence Heterodyne Photon Correlation Spectroscopy
Applied Optics, Vol. 37, Issue 10, pp. 1913-1916 (1998)
http://dx.doi.org/10.1364/AO.37.001913
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Abstract
Photon correlation spectroscopy (PCS) is routinely used to investigate the dynamics of colloidal particles undergoing Brownian motion. This technique is applicable to low-density colloidal suspensions in which the effects of multiple light scattering are minimal. We introduce a new low-coherence heterodyne PCS technique that allows direct investigation of colloidal suspensions of higher concentration than previously accessible with standard PCS. In this technique, low-coherence optical heterodyne interferometry is used tosuppress multiple light scattering, allowing preferential detection of single-scattering events.
© 1998 Optical Society of America
OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(040.2840) Detectors : Heterodyne
(300.6420) Spectroscopy : Spectroscopy, nonlinear
Citation
Joshua H. Johnson, Shannon L. Siefken, Aaron Schmidt, Robert Corey, and Paul Saulnier, "Low-Coherence Heterodyne Photon Correlation Spectroscopy," Appl. Opt. 37, 1913-1916 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-10-1913
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