Title

Generation of autofocusing beams with multi-Airy beams

Authors

Authors

Z. Zhang; J. J. Liu; P. Zhang; P. G. Ni; P. Jai; Y. Hu; D. S. Jiang; N. C. Demetrios;Z. G. Chen

Comments

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Abbreviated Journal Title

Acta Phys. Sin.

Keywords

Airy beam; auto-focusing beam; laser combination; spatial light; modulation; WAVES; Physics, Multidisciplinary

Abstract

Thus far, focusing a single beam and combining multi-optical Gaussian beams have become two major methods of locally enhancing output laser intensity. In this paper, we propose a method of generating free space auto-focusing beams by combining multiple one-dimensional Airy beams. By employing split-step beam propagation method, auto-focusing beams generated by four and eight one-dimensional Airy beams are numerically simulated, and their intensity distributions are displayed from both transverse plane and side-view propagation. By utilizing a spatial light modulator and computer generated phase masks, these auto-focusing beams are experimentally demonstrated. Our experimental results accord well with the numerical simulations.

Journal Title

Acta Physica Sinica

Volume

62

Issue/Number

3

Publication Date

1-1-2013

Document Type

Article

Language

Chinese

First Page

6

WOS Identifier

WOS:000316818900027

ISSN

1000-3290

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