Elliptical mirror based imaging with aperture angle greater than π/2

被引：7

作者：

Liu, Jian ^{[1
]}

Zhong, Cien ^{[1
]}

Tan, Jiubin ^{[1
]}

Wang, Tong ^{[1
]}

Wilson, Tony ^{[1
,2
]}

机构：

[1] Harbin Inst Technol, Ultra Precis Optoelect Instrument Engn Ctr, Harbin 150001, Heilongjiang, Peoples R China

[2] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 17期

关键词：

CONFOCAL MICROSCOPY; PARABOLIC-MIRROR; FLUORESCENCE; RESOLUTION; DYNAMICS;

D O I：

10.1364/OE.20.019206

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Elliptical mirror based imaging systems permit aperture angles greater than pi/2 to be realized. It is therefore possible to collect part or all of both the forward and backward diffractive fields emitted from single molecules. In this paper we derive rigorous formulae for the image intensity when the single molecule is modeled as a dipole emitter. It is found in theory that the point spread function can be 2.44 times narrower at full-width-half-maximum in the axial direction when using an elliptical mirror with the maximum aperture angle of 2 pi/3 as compared with a parabolic mirror system with the aperture angle of pi/2 whereas the side lobe level is increased by only 0.21% when the dipole is oriented along Z axis. (C) 2012 Optical Society of America

引用

页码：19206 / 19213

页数：8

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