Modal approximation for the electromagnetic field of a near-field optical probe

被引：42

作者：

Grober, RD ^{[1
]}

Rutherford, T ^{[1
]}

Harris, TD ^{[1
]}

机构：

[1] AT&T BELL LABS,MURRAY HILL,NJ 07974

来源：

APPLIED OPTICS | 1996年 / 35卷 / 19期

关键词：

near-field optics; microscopy;

D O I：

10.1364/AO.35.003488

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A formalism is given in which the optical field generated by a near-field optical aperture is described as an analytic expansion over a complete set of optical modes. This vectoral solution preserves the divergent behavior of the near field and the dipolar nature of the far field. Numerical calculation of the fields requires only evaluation of a well behaved, one-dimensional integral. The formalism is directly applicable to experiments in near-field scanning optical microscopy when relatively flat samples are evaluated. (C) 1996 Optical Society of America

引用

页码：3488 / 3495

页数：8

共 21 条

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