干涉法产生的空心光束阱中的原子囚禁
Atom trapping in an interferometrically generated bottle beam trap
摘要：
我们演示了一个由两束具有不同束腰的基本高斯光束干涉产生的光学瓶形光束阱。这些光束是使用马赫-曾德尔干涉仪从单个激光源得到的，该干涉仪的臂具有不等的放大率。来自Mach-Zehnder的两个光束的相消干涉导致在光束的相互聚焦处的三维强度零。我们演示了冷铯原子在一个蓝色失谐的瓶形光束阱中的捕获。
英文摘要：
We demonstrate an optical bottle beam trap created by interfering two fundamental Gaussian beams with different waists. The beams are derived from a single laser source using a Mach-Zehnder interferometer whose arms have unequal magnifications. Destructive interference of the two beams from the Mach-Zehnder leads to a three dimensional intensity null at the mutual focus of the beams. We demonstrate trapping of cold Cesium atoms in a blue detuned bottle beam trap.
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