the use of optical vortex beams with a doughnut-like shape in the cross-section to form an optical vortex pipeline;
运用了截面为甜甜圈状的涡流光束形成的光涡流通道；
Around the dark core of an optical vortex, the energy flow carried by the light beam is like a spiral staircase, flowing in a clockwise or counterclockwise direction.
绕着光涡旋的黑暗中心，光束携带的能量流就像螺旋梯，沿着顺时针或者逆时针方向流动。
Based on this property, it provides us a simple way to detect the orbital angular momentum (OAM) of an optical vortex beam.
基于这个衍射特性，提供了一种测量光学涡旋轨道角动量的简易方法。
The main contents of this dissertation are about the study of the three kinds of theoretic models and the interference of optical vortex beams.
本文的重点是对光学涡旋光束的三种理论模型和涡旋光束的干涉进行较为系统的研究。
Researches on and applications of the optical vortex beams have recently generated great research interest, which has resulted in a new branch of singular optics in modern optics.
涡旋光束的研究和应用近年来引起了许多学者的广泛兴趣，并产生了现代光学的一个新分支——奇点光学。
The basic principle, generation, transformation and application of optical vortex beams and optical vortices are briefly summarized, as well as their progress.
就涡旋光束和光学涡旋的基本特征和原理进行了概述，对其产生、传播及应用进行了介绍。
The basic principle, generation, transformation and application of optical vortex beams and optical vortices are briefly summarized, as well as their progress.
就涡旋光束和光学涡旋的基本特征和原理进行了概述，对其产生、传播及应用进行了介绍。
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