POLARIZATION CONTRAST IMAGING OF THIN-FILMS IN SCANNING MICROSCOPY

被引:3
|
作者
SHATALIN, SV
TAN, JB
JUSKAITIS, R
WILSON, T
机构
[1] Department of Engineering Science, University of Oxford, Oxford, OX1 3PJ, Parks Road
关键词
D O I
10.1016/0030-4018(94)00622-2
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We consider the form of the optical field in the exit pupil of a high numerical aperture microscope objective when the lens is focussed onto an isotropic thin film specimen. The form of the optical field is particularly sensitive to specimen properties and is usually not circularly symmetric. We propose and demonstrate a polarisation difference imaging mode which takes advantage of this asymmetry to provide images of greatly enhanced contrast.
引用
收藏
页码:291 / 299
页数:9
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