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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 30, Iss. 6 — Jun. 1, 2013
  • pp: 1089–1098

Dynamic model for biospeckle

Crysttian Arantes Paixão and Antonio Tavares da Costa  »View Author Affiliations


JOSA A, Vol. 30, Issue 6, pp. 1089-1098 (2013)
http://dx.doi.org/10.1364/JOSAA.30.001089


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Abstract

This paper reports the development of a simple dynamic microscopic model to describe the main features of the phenomenon known as dynamic speckle, or biospeckle. Biospeckle is an interference pattern formed when a biological surface is illuminated with coherent light. The dynamic characteristics of biospeckle have been investigated as possible tools for assessing the quality of biological products. Our model, despite its simplicity, was able to reproduce qualitatively the main features of biospeckle. We were able to correlate variations in a microscopic parameter associated with movement of the particles comprising the organic surface with changes in a macroscopic parameter that measures the change rate of a dynamic interference pattern. We showed that this correlation occurs only within a limited range of parameter microscope values. We also showed how our model was able to describe nonuniform surfaces composed of more than one type of particles.

© 2013 Optical Society of America

OCIS Codes
(100.2960) Image processing : Image analysis
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(120.6150) Instrumentation, measurement, and metrology : Speckle imaging
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(100.4995) Image processing : Pattern recognition, metrics
(240.6648) Optics at surfaces : Surface dynamics

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: December 13, 2012
Revised Manuscript: April 2, 2013
Manuscript Accepted: April 5, 2013
Published: May 9, 2013

Virtual Issues
Vol. 8, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Crysttian Arantes Paixão and Antonio Tavares da Costa, "Dynamic model for biospeckle," J. Opt. Soc. Am. A 30, 1089-1098 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-6-1089

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