Application of corpuscular and wave Monte-Carlo methods in optics of dispersive media

Journal Article · Thu Nov 30 04:00:00 EST 2006 · Quantum Electronics (Woodbury, N.Y.)

DOI:https://doi.org/10.1070/QE2006V036N11ABEH013436· OSTI ID:21456911

Kandidov, V P; Militsin, V O; Bykov, A V; Priezzhev, A V ^[1]

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1. Department of Physics, M.V. Lomonosov Moscow State University, Moscow (Russian Federation)

Two ways of simulating statistically the propagation of laser radiation in dispersive media by the Monte-Carlo method are compared. The first approach can be called corpuscular because it is based on the calculation of random photon trajectories, while the second one can be referred to as the wave approach because it is based on the calculation of characteristics of random wave fields. It is shown that, although these approaches are based on different physical concepts of radiation scattering by particles, they yield almost equivalent results for the intensity of a restricted beam in a dispersive medium. However, there exist some differences. The corpuscular Monte-Carlo method does not reproduce the diffraction divergence of the beam, which can be taken into account by introducing the diffraction factor. The wave method does not consider backscattering, which corresponds to the quasi-optical approximation. (special issue devoted to multiple radiation scattering in random media)

• OSTI ID: 21456911
• Journal Information: Quantum Electronics (Woodbury, N.Y.), Journal Name: Quantum Electronics (Woodbury, N.Y.) Journal Issue: 11 Vol. 36; ISSN 1063-7818
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
APPROXIMATIONS
BACKSCATTERING
BEAMS
BOSONS
CALCULATION METHODS
COHERENT SCATTERING
DIFFERENTIAL EQUATIONS
DIFFRACTION
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
EQUATIONS
LASER RADIATION
MASSLESS PARTICLES
MONTE CARLO METHOD
OPTICAL PROPERTIES
PARTIAL DIFFERENTIAL EQUATIONS
PARTICLES
PHOTONS
PHYSICAL PROPERTIES
RADIATIONS
SCATTERING
TRAJECTORIES
WAVE EQUATIONS
YIELDS