The use of Gauss-Laguerre vector beams in STED microscopy

被引：245

作者：

Török, P ^{[1
]}

Munro, PRT ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Phys, Blackett Lab, London SW7 2BW, England

来源：

OPTICS EXPRESS | 2004年 / 12卷 / 15期

关键词：

D O I：

10.1364/OPEX.12.003605

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper examines the use of Gauss-Laguerre beams in STED microscopy. These types of beams are shown to have beneficial properties that can be utilised to generate stable, high quality STED beams resulting in an aberration-resilient generation volume. In this paper we obtain general expressions for Gauss-Laguerre beams being focused through a stratified medium and describe their optimization for STED microscopy purposes. Our results show that the circularly polarised, lowest order "dark" beam is the most beneficial for STED purposes. (C) 2004 Optical Society of America.

引用

页码：3605 / 3617

页数：13

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