Photon-density modes beyond the diffusion approximation: Scalar wave-diffusion equation

被引:15
作者
Polishchuk, AY
Gutman, S
Lax, M
Alfano, RR
机构
[1] CUNY CITY COLL,DEPT PHYS,NEW YORK,NY 10031
[2] CUNY GRAD SCH & UNIV CTR,NEW YORK,NY 10031
[3] UNIV OKLAHOMA,DEPT MATH,NORMAN,OK 73019
来源
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1997年 / 14卷 / 01期
关键词
D O I
10.1364/JOSAA.14.000230
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Various modifications of the diffusion model designed to describe photon migration in scattering and absorbing media are analyzed and compared in the nondiffusion region. A more accurate modified diffusion equation that has a broader region of applicability is introduced. The radiative-transfer equation is solved numerically to assess the validity range of different models tested and to select the best one. (C) 1997 Optical Society of America.
引用
收藏
页码:230 / 234
页数:5
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