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Optics Letters

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  • Vol. 30, Iss. 5 — Mar. 1, 2005
  • pp: 555–557

Single-scattering spectroscopy for extremely dense colloidal suspensions by use of a low-coherence interferometer

Katsuhiro Ishii, Rikiya Yoshida, and Toshiaki Iwai  »View Author Affiliations


Optics Letters, Vol. 30, Issue 5, pp. 555-557 (2005)
http://dx.doi.org/10.1364/OL.30.000555


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Abstract

Single-scattering spectroscopy by use of a low-coherence interferometer is introduced to measure the power spectra of light scattered from extremely dense colloidal suspensions. The power spectrum of a heterodyne component can be obtained by subtraction of the power spectrum of a homodyne component from the measured power spectrum. The heterodyne power spectrum for light scattered from the medium is shown to coincide with the single-scattering spectrum to a depth of up to a few times the mean-free path length. Therefore single-scattering spectroscopy is newly proposed as a means by which to analyze the characteristics of extremely dense colloidal suspensions.

© 2005 Optical Society of America

OCIS Codes
(290.1350) Scattering : Backscattering
(290.4210) Scattering : Multiple scattering
(290.5850) Scattering : Scattering, particles
(300.6310) Spectroscopy : Spectroscopy, heterodyne

Citation
Katsuhiro Ishii, Rikiya Yoshida, and Toshiaki Iwai, "Single-scattering spectroscopy for extremely dense colloidal suspensions by use of a low-coherence interferometer," Opt. Lett. 30, 555-557 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-5-555


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