A dark hollow beam from a selectively liquid-filled photonic crystal fibre

被引：7

作者：

Zhang Mei-Yan ^{[1
]}

Li Shu-Guang ^{[1
]}

Yao Yan-Yan ^{[1
]}

Fu Bo ^{[1
]}

Zhang Lei ^{[1
]}

机构：

[1] Yanshan Univ, Coll Sci, Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China

来源：

CHINESE PHYSICS B | 2010年 / 19卷 / 04期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

liquid-filled photonic crystal fibre; fundamental mode; dark hollow beam; MICROSTRUCTURED OPTICAL-FIBERS; MULTIPOLE METHOD; DESIGN;

D O I：

10.1088/1674-1056/19/4/047103

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This paper reports that, based on the electromagnetic scattering theory of the multipole method, a high-quality hollow beam is produced through a selectively liquid-filled photonic crystal fibre. Instead of a doughnut shape, a typical hollow beam is produced by other methods; the mode-field images of the hollow-beam photonic crystal fibre satisfy sixth-order rotation symmetry, according to the symmetry of the photonic crystal fibre (PCF) structure. A dark spot size of the liquid-filled photonic crystal fibre-generated hollow beam can be tuned by inserting liquid into the cladding region and varying the photonic crystal fibre structure parameters. The liquid-filled PCF makes a convenient and flexible tool for the guiding and trapping of atoms and the creation of all-fibre optical tweezers.

引用

页数：6

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