Precision measurement of the electromagnetic fields in the focal region of a high-numerical-aperture lens using a tapered fiber probe

被引：29

作者：

Rhodes, SK ^{[1
]}

Nugent, KA ^{[1
]}

Roberts, A ^{[1
]}

机构：

[1] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2002年 / 19卷 / 08期

关键词：

D O I：

10.1364/JOSAA.19.001689

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a measurement of the intensity around the focus of a N.A.-0.95 lens using a tapered optical fiber probe. An asymmetry introduced by the vector nature of the incident polarized light is evident, although it is inconsistent with that predicted theoretically by considering the magnitude squared of the electric field. The sensitivity of the probe to different components of the electromagnetic field is considered, and it is shown that the measurement is consistent with vector diffraction theory when the probe properties are taken into account. (C) 2002 Optical Society of America.

引用

页码：1689 / 1693

页数：5

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