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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 9 — Apr. 26, 2010
  • pp: 9236–9250

Staggered-grid PSTD on local Fourier basis and its applications to surface tissue modeling

Ming Ding and Kun Chen  »View Author Affiliations


Optics Express, Vol. 18, Issue 9, pp. 9236-9250 (2010)
http://dx.doi.org/10.1364/OE.18.009236


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Abstract

We introduce a high performance parallelization to the PSTD solution of Maxwell equations by employing the fast Fourier transform on local Fourier basis. Meanwhile a reformatted derivative operator allows the adoption of a staggered-grid such as the Yee lattice in PSTD, which can overcome the numerical errors in a collocated-grid when spatial discontinuities are present. The accuracy and capability of our method are confirmed by two analytical models. In two applications to surface tissue optics, an ultra wide coherent backscattering cone from the surface layer is found, and the penetration depth of polarization gating identified. Our development prepares a tool for investigating the optical properties of surface tissue structures.

© 2010 OSA

OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(260.5430) Physical optics : Polarization
(290.1350) Scattering : Backscattering

ToC Category:
Coherence and Statistical Optics

History
Original Manuscript: March 19, 2010
Revised Manuscript: April 12, 2010
Manuscript Accepted: April 13, 2010
Published: April 19, 2010

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

Citation
Ming Ding and Kun Chen, "Staggered-grid PSTD on local Fourier basis and its applications to surface tissue modeling," Opt. Express 18, 9236-9250 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-9-9236


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