Modeling of photon density waves in the frequency domain

We have described the transfer of modulated radiation in a random medium in terms of the Bethe-Salpeter equation. Based on the obtained expression for the scattering intensity, we have developed an original technique of modeling the photon density waves in terms of the Monte Carlo method. Expression...

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Bibliographic Details
Published in:Optics and spectroscopy 2012-08, Vol.113 (2), p.184-193
Main Authors: Kuzmin, V. L., Zubkov, L. A., Papazoglou, E.
Format: Article
Language:English
Subjects:
Lasers
Optical Devices
Optics
Photonics
Physical Optics
Physics
Physics and Astronomy
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Summary:We have described the transfer of modulated radiation in a random medium in terms of the Bethe-Salpeter equation. Based on the obtained expression for the scattering intensity, we have developed an original technique of modeling the photon density waves in terms of the Monte Carlo method. Expressions for measurable parameters in the frequency domain have been derived, and, based on them, the amplitude and phase of the photon density waves have been calculated. We have studied how the parameters of the photon density waves depend on the scattering anisotropy for model states with the Henyey-Greenstein phase function. The range of applicability of the diffusion approximation for the interpretation of signals of photon density waves has been investigated.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X12080073