光光束偏移的径向模式依赖性。

Radial mode dependence of optical beam shifts.

机构信息

Huygens Laboratory, Leiden University, Leiden, The Netherlands.

出版信息

Opt Lett. 2012 Mar 15;37(6):1044-6. doi: 10.1364/OL.37.001044.

DOI:10.1364/OL.37.001044

Abstract

It is known that orbital angular momentum (OAM) couples the Goos-Hänchen and Imbert-Fedorov shifts. Here, we present the first study of these shifts when the OAM-endowed LG(ℓ,p) beams have higher-order radial mode index (p>0). We show theoretically and experimentally that the angular shifts are enhanced by p while the positional shifts are not.

摘要

已知轨道角动量（OAM）会使古斯-汉欣和因伯-费多洛夫位移发生耦合。在这里，我们首次研究了当具有高阶径向模式指数（p>0）的 OAM 赋型 LG(ℓ,p)光束时，这些位移的情况。我们从理论和实验上证明，角位移随 p 增强，而位置位移则不然。