GAUSSIAN-BEAM SPREAD IN BIOLOGICAL TISSUES

被引：13

作者：

GROSSWEINER, LI

KARAGIANNES, JL

JOHNSON, PW

ZHANG, ZY

机构：

[1] Illinois Institute of Technology, Biophysics Laboratory, Physics Department, Chicago, IL

[2] Northwestern Telecommunication Engineering Institute, Xian

来源：

APPLIED OPTICS | 1990年 / 29卷 / 03期

关键词：

D O I：

10.1364/AO.29.000379

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Flux density distributions were measured in large tissue sections illuminated with 633- and 1064-nm laser radiation delivered by an optical fiber. The results were modeled by solving the 2-D diffusion approximation for an incident Gaussian beam and fitting the data with nonlinear regression. It is shown that the radial average flux density is exponentially attenuated for an arbitrary incident irradiance profile. © 1990 Optical Society of America.

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页码：379 / 383

页数：5

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