Equivalence of constant-height and constant-intensity images in scanning near-field optical microscopy

被引:17
作者
Carminati, R
Greffet, JJ
机构
[1] Lab. d'Energetique Macroscopique M., Ecole Centrale Paris, Ctr. Natl. de la Rech. Scientifique
关键词
D O I
10.1364/OL.21.001208
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present an analytical proof of the equivalence of scanning near-field optical images of small objects obtained by two alternative operating modes: (1) scanning at a constant distance from the mean plane of the surface and recording the detected intensity (constant-height images) and (2) keeping the detected intensity constant and recording the vertical motion of the tip (constant-intensity images). Numerical simulations with homogeneous and inhomogeneous samples illustrate this result. (C) 1996 Optical Society of America
引用
收藏
页码:1208 / 1210
页数:3
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