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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 1 — Jan. 4, 2012

Correlation-induced spectral changes in tissues

Ruoyu Zhu, Shamira Sridharan, Krishnarao Tangella, Andre Balla, and Gabriel Popescu  »View Author Affiliations

Optics Letters, Vol. 36, Issue 21, pp. 4209-4211 (2011)

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We report experimental evidence of correlation-induced spectral changes in biological tissues. The overall spectral shift in our transmission measurements is to the red and the mean wavelength of the original spectrum is up 10% larger. These results indicate that the spectral changes due to elastic scattering are significant and likely to hinder all spectroscopic measurements based on the inelastic (i.e., emission and absorption) interaction between light and tissues. Thus, simultaneous morphology and spectral measurements are required for accurate measurements spectroscopic information.

© 2011 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(030.1670) Coherence and statistical optics : Coherent optical effects
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: July 26, 2011
Revised Manuscript: August 31, 2011
Manuscript Accepted: September 9, 2011
Published: October 25, 2011

Virtual Issues
Vol. 7, Iss. 1 Virtual Journal for Biomedical Optics

Ruoyu Zhu, Shamira Sridharan, Krishnarao Tangella, Andre Balla, and Gabriel Popescu, "Correlation-induced spectral changes in tissues," Opt. Lett. 36, 4209-4211 (2011)

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