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Accurate and efficient Monte Carlo solutions to the radiative transport equation in the spatial frequency domain |
Optics Letters, Vol. 36, Issue 12, pp. 2269-2271 (2011)
http://dx.doi.org/10.1364/OL.36.002269
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Abstract
We present an approach to solving the radiative transport equation (RTE) for layered media in the spatial frequency domain (SFD) using Monte Carlo (MC) simulations. This is done by obtaining a complex photon weight from analysis of the Fourier transform of the RTE. We also develop a modified shortcut method that enables a single MC simulation to efficiently provide RTE solutions in the SFD for any number of spatial frequencies. We provide comparisons between the modified shortcut method and conventional discrete transform methods for SFD reflectance. Further results for oblique illumination illustrate the potential diagnostic utility of the SFD phase-shifts for analysis of layered media.
© 2011 Optical Society of America
OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.5280) Medical optics and biotechnology : Photon migration
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics
(290.4210) Scattering : Multiple scattering
(290.7050) Scattering : Turbid media
(280.1350) Remote sensing and sensors : Backscattering
ToC Category:
Medical Optics and Biotechnology
History
Original Manuscript: April 12, 2011
Manuscript Accepted: May 9, 2011
Published: June 8, 2011
Virtual Issues
Vol. 6, Iss. 7 Virtual Journal for Biomedical Optics
Citation
Adam R. Gardner and Vasan Venugopalan, "Accurate and efficient Monte Carlo solutions to the radiative transport equation in the spatial frequency domain," Opt. Lett. 36, 2269-2271 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-12-2269
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