Close-packed optical vortex lattices with controllable structures

Xinzhong Li

doi:10.1364/OE.26.022965

2018-08-22

DOI：10.1364/OE.26.022965

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摘要

En 中文

As a spatial structured light field, the optical vortex (OV) has attracted extensive attention in recent years. In practice. the OV lattice (OVL) is an optimal candidate for applications of orbital angular momentum (OAM)-based optical communications, microparticle manipulation, and micro/nanofabrication. However, traditional methods for producing OVLs meet a significant challenge: the OVL structures cannot be adjusted freely and form a close-packed arrangement, simultaneously. To overcome these difficulties, we propose an alternative scheme to produce close-packed OVLs (CPOVLs) with controllable structures. By borrowing the concept of the close-packed lattice from solid-state physics, CPOVLs with versatile structures are produced by using logical operations of expanding OV primitive cells combined with the technique of phase mask generation. Then, the existence of OAM states in the CPOVLs is verified. Furthermore, the energy flow and OAM distribution of the CPOVLs are visualized and analyzed. From a light field physics viewpoint, this work increases the adjustment dimensions and extends the fundamental understanding of the OVL, which will introduce novel applications. (C) 2018 optical Society of America under the terms of the OSA Open Access Publishing Agreement

Keyword:

ORBITAL ANGULAR-MOMENTUM

LIGHT

GENERATION

LASER

ARRAY

TRANSFORMATION

INTERFERENCE

ENTANGLEMENT

TWEEZERS

VORTICES

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期刊

Optics Express

IF:

3.3

论文数:

6.1W

被引数:

14.3W

机构

state key laboratory of transient optics & photonics

学者数:

842

论文数: 634

被引数: 0

chinese academy of sciences

学者数:

56.7W

论文数: 45.0W

被引数: 704

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