Atomic Compass: Detecting 3D Magnetic Field Alignment with Vector Vortex Light,Physical Review Letters

当前位置： X-MOL 学术 › Phys. Rev. Lett. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Atomic Compass: Detecting 3D Magnetic Field Alignment with Vector Vortex Light
Physical Review Letters ( IF 8.1 ) Pub Date : 2021-11-30 , DOI: 10.1103/physrevlett.127.233202
Francesco Castellucci ₁ , Thomas W Clark ₂ , Adam Selyem ₃ , Jinwen Wang _{1,

4} , Sonja Franke-Arnold ₁

Affiliation

We describe and demonstrate how 3D magnetic field alignment can be inferred from single absorption images of an atomic cloud. While optically pumped magnetometers conventionally rely on temporal measurement of the Larmor precession of atomic dipoles, here a cold atomic vapor provides a spatial interface between vector light and external magnetic fields. Using a vector vortex beam, we inscribe structured atomic spin polarization in a cloud of cold rubidium atoms and record images of the resulting absorption patterns. The polar angle of an external magnetic field can then be deduced with spatial Fourier analysis. This effect presents an alternative concept for detecting magnetic vector fields and demonstrates, more generally, how introducing spatial phases between atomic energy levels can translate transient effects to the spatial domain.

中文翻译：

原子罗盘：使用矢量涡旋光检测 3D 磁场对齐

我们描述并演示了如何从原子云的单个吸收图像中推断出 3D 磁场排列。虽然光泵磁力计通常依赖于原子偶极子的拉莫尔进动的时间测量，但这里的冷原子蒸气提供了矢量光和外部磁场之间的空间界面。使用矢量涡旋光束，我们在冷铷原子云中刻录结构化原子自旋极化，并记录所得吸收模式的图像。然后可以通过空间傅立叶分析推导出外部磁场的极角。这种效应提出了一种用于检测矢量磁场的替代概念，并更一般地展示了在原子能级之间引入空间相位如何将瞬态效应转化为空间域。

更新日期：2021-11-30

点击分享查看原文

点击收藏

公开下载

阅读更多本刊最新论文本刊介绍/投稿指南11