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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 9 — Jul. 6, 2010

Measurement of the refractive index of highly turbid media

W. R. Calhoun, H. Maeta, A. Combs, L. M Bali, and S. Bali  »View Author Affiliations

Optics Letters, Vol. 35, Issue 8, pp. 1224-1226 (2010)

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We demonstrate a first simultaneous measurement of the real and imaginary parts of the refractive index of a highly turbid medium by observing the real-time reflectance profile of a divergent laser beam made incident on the surface of the turbid medium. We find that the reflectance data are well described by Fresnel theory that correctly includes the effect on total internal reflection of angle-dependent penetration into the turbid medium.

© 2010 Optical Society of America

OCIS Codes
(120.1840) Instrumentation, measurement, and metrology : Densitometers, reflectometers
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(120.5710) Instrumentation, measurement, and metrology : Refraction
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(290.7050) Scattering : Turbid media
(280.1415) Remote sensing and sensors : Biological sensing and sensors

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: January 6, 2010
Manuscript Accepted: February 16, 2010
Published: April 15, 2010

Virtual Issues
Vol. 5, Iss. 9 Virtual Journal for Biomedical Optics

W. R. Calhoun, H. Maeta, A. Combs, L. M Bali, and S. Bali, "Measurement of the refractive index of highly turbid media," Opt. Lett. 35, 1224-1226 (2010)

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