亚稳氦原子用中空纤维导向器

Comptes Rendus de l'Académie des Sciences - Series IV - Physics-Astrophysics Pub Date : 2001-06-01 DOI:10.1016/S1296-2147(01)01190-8

R.G. Dall, M.D. Hoogerland, K.G.H. Baldwin, J.S. Buckman

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引用次数: 3

摘要

原子波导的实现将是未来大角原子干涉仪等原子光学器件发展的重要组成部分。利用排斥性(蓝色失谐)倏逝光场来引导原子的中空光纤是该技术的一种方法。本文报道了亚稳氦(23S1)原子通过支持多模光场的中空光纤的多模引导。为了实现高效的单模原子引导，需要支持单模光传播的中空光纤在光纤壁内产生均匀的倏逝光场。我们最近开发了这样一种光纤，并报道了它的光传输特性对原子波导的适用性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Hollow fibre guides for metastable helium atoms

The realisation of an atomic waveguide will be an important component for the development of future atom optic devices such as large angle atom interferometers. Hollow optical fibres that employ repulsive (blue detuned) evanescent light fields to guide the atoms are one approach to this technology. We report here on multimode guiding of metastable helium ( $2^{3} S_{1}$ ) atoms through hollow optical fibres that support multimode light fields. In order to produce efficient single-mode atom guiding, hollow fibres supporting single light mode propagation will be required to generate uniform evanescent light fields inside fibre wall. We have recently developed such a fibre and report on the suitability of its light transmission characteristics for atom waveguiding.

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