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Optimizing beams with transverse vortices

机译：使用横向涡流优化光束

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摘要

It is widely known that beams that have optical vortices along the direction of propagation can be easily created in the laboratory. However, it is less well known that it is possible to create beams that have vortices transversely through the beam waist. Despite much work on beams with parabolic trajectories the creation of beams with transverse vortices are not well understood. Recently such beams have been created in the laboratory with computer-generated holograms. Though such beams can be created relatively easily, optimization of the vortex structure requires generation of the correct kinoform for the optical system. Imprecise application of such kinoforms can generate multiple vortices at the beam focus, which may not be optimal in many experimental applications. In this paper, we discuss the properties of such beams and investigate the optimal geometry for creating beams with transverse vortices. Applications for beams with transverse vortices may exist in optical micromanipulation, quantum communications and microscopy.
机译：众所周知，在实验室中很容易产生沿传播方向具有光学涡旋的光束。然而，鲜为人知的是，有可能产生具有横向穿过光束腰部的涡流的光束。尽管对具有抛物线形轨迹的梁进行了大量工作，但是对具有横向涡旋的梁的创建尚不十分了解。最近，这种束已经在实验室中用计算机生成的全息图产生了。尽管可以相对容易地创建这样的光束，但是涡旋结构的优化需要为光学系统生成正确的kinform。不精确地施加这种千鸟形会在光束聚焦处产生多个涡旋，这在许多实验应用中可能不是最佳的。在本文中，我们讨论了此类梁的特性，并研究了创建具有横向涡旋梁的最佳几何形状。具有横向涡旋的光束的应用可能存在于光学显微操作，量子通信和显微镜中。

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  • 来源
    《Complex light and optical forces XI》|2017年|1012008.1-1012008.4|共4页
  • 会议地点 San Francisco(US)
  • 作者

    Daryl Preece; Halina Rubinsztein-Dunlop;

  • 作者单位

    Department of Nano Engineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0448;

    School of Mathematics and Physics, University of Queensland, St Lucia, Brisbane,4702, Australia;

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  • 正文语种 eng
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