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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

  • Vol. 25, Iss. 12 — Dec. 1, 2008
  • pp: 3051–3058

Effects of inhomogeneous myofibril morphology on optical diffraction in single muscle fibers

Janaka Ranasinghesagara and Gang Yao  »View Author Affiliations


JOSA A, Vol. 25, Issue 12, pp. 3051-3058 (2008)
http://dx.doi.org/10.1364/JOSAA.25.003051


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Abstract

Laser diffraction is commonly used in physiological research that explores single muscle fibers. Although variations in sarcomere morphological properties have often been observed, their effects on laser diffraction have not been studied in detail. In this study, we applied three-dimensional coupled wave theory to a physical sarcomere model to investigate the effects of inhomogeneous morphological profiles in muscle fibers. The simulation results were compared with several those of published experimental studies. Our results indicate that by incorporating various myofibril inhomogeneities such as skew and domain effect in the theoretical model, a variety of observations in single fiber diffraction under different experimental conditions can be reproduced in the simulation.

© 2008 Optical Society of America

OCIS Codes
(050.1960) Diffraction and gratings : Diffraction theory
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(260.1960) Physical optics : Diffraction theory
(170.6935) Medical optics and biotechnology : Tissue characterization

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: May 13, 2008
Revised Manuscript: October 11, 2008
Manuscript Accepted: October 15, 2008
Published: November 21, 2008

Virtual Issues
Vol. 4, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Janaka Ranasinghesagara and Gang Yao, "Effects of inhomogeneous myofibril morphology on optical diffraction in single muscle fibers," J. Opt. Soc. Am. A 25, 3051-3058 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-12-3051

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