Generation of optical Y-junction Bessel beams

被引：1

作者：

Fortin, Mathieu ^{[1
]}

Piche, Michel

Brousseau, Denis

Thibault, Simon

机构：

[1] Univ Laval, Dept Phys Genie Phys & Opt, Quebec City, PQ G1V 0A6, Canada

来源：

APPLIED OPTICS | 2019年 / 58卷 / 31期

基金：

加拿大自然科学与工程研究理事会;

关键词：

PROPAGATION; DIFFRACTION; MICROSCOPY;

D O I：

10.1364/AO.58.008411

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A method is proposed to split the central spot of zero-order Bessel beams into two parallel spots along the propagation axis of the beam. A magnetic-liquid deformable mirror is used to provide the required phase profile combining an axicon and a phase step. The obtained Y-junction Bessel beam has been characterized; the 80 mu m central spot of the Bessel beam is split into two spots of the same size that have been propagated over a length exceeding 15 cm. The observations are consistent with the predictions of a numerical model. Potential applications of Y-junction Bessel beams are discussed. (C) 2019 Optical Society of America

引用

页码：8411 / 8415

页数：5

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