Kinetic theory of photon density waves

被引：2
|
作者：
Kuz'min, VL [1 ]
Romanov, VP
机构：
[1] St Petersburg Commerce & Econ Inst, St Petersburg 194021, Russia
[2] St Petersburg State Univ, Inst Phys, St Petersburg 198904, Russia
来源：
OPTICS AND SPECTROSCOPY | 2000年 / 89卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/1.1310713
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A kinetic equation is obtained for the modulated intensity of multiply scattered light, which generalizes the known Bethe-Salpeter equation. An asymptotic solution is found in the P-1 approximation, which takes into account the anisotropy of single scattering within the average cosine of the scattering angle. The parameters of the photon density wave are calculated from this solution. It is shown that the relative phase shift and modulation degree calculated for modulation frequencies exceeding several gigahertz noticeably differ from the values predicted by the radiation transfer equation. (C) 2000 MAIK "Nauka/Interperiodica".
引用
收藏
页码：429 / 437
页数：9
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