Fabrication of micro-axicons using direct-laser writing

被引：24

作者：

Huang, He ^{[1
]}

Chen, Shijie ^{[1
]}

Zou, Hongmei ^{[1
]}

Li, Qing ^{[1
]}

Fu, Jian ^{[1
]}

Lin, Feng ^{[2
]}

Wu, X. ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Opt Engn, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Zhejiang, Peoples R China

[2] Nanyang Technol Univ, Sch Comp Engn, Singapore 637553, Singapore

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 09期

基金：

中国国家自然科学基金;

关键词：

DIFFRACTION-FREE BEAMS; FEMTOSECOND LASER; LITHOGRAPHY;

D O I：

10.1364/OE.22.011035

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel direct-laser writing fabrication process for micro-axicons is demonstrated. A fiber-axicon-generated Bessel beam was utilized to write on UV-curable optical epoxy to form new axicons and axicon arrays, and geometrical parameters of the replicated epoxy axicons were analyzed in terms of both apex angle and proximity of the writing axicons. The shape of the fabricated axicons was demonstrated to be controllable through laser exposure, proximity, and apex angle of the source axicon, and the fabricated axicons are capable of generating a quality Bessel beam with an excellent focusing performance. (C)2014 Optical Society of America

引用

页码：11035 / 11042

页数：8

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