FAR-FIELD CHARACTERIZATION OF DIFFRACTING CIRCULAR APERTURES

被引：117

作者：

OBERMULLER, C

KARRAI, K

机构：

[1] Walter Schottky Institut, Technische Universität München

来源：

APPLIED PHYSICS LETTERS | 1995年 / 67卷 / 23期

关键词：

D O I：

10.1063/1.115262

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The far field angular intensity distribution I(theta) of the lambda=633 nm radiation transmitted through diffracting circular apertures is measured for diameters ranging between 60 and 500 nm. The circular apertures are located at the apex of aluminum coated tapered optical fiber tips. I(theta) depends sensitively on the aperture diameters down to lambda/6. This property is used to determine the optical aperture size of metal coated tapered optical fiber tips used for near field scanning optical microscopy. (C) 1995 American Institute of Physics.

引用

页码：3408 / 3410

页数：3

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