A simple integrated single-atom detector

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We present a reliable and robust integrated fluorescence detector capable of detecting single atoms. The detector consists of a tapered lensed single-mode fiber for precise delivery of excitation light and a multimode fiber to collect the fluorescence. Both are mounted in lithographically defined SU-8 holding structures on an atom chip. Rb87 atoms propagating freely in a magnetic guide are detected with an efficiency of up to 66%, and a signal-to-noise ratio in excess of 100 is obtained for short integration times.
3 pages, 3 figures

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Atomic Physics, Optics

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http://salesiana.dossiersoluciones.com/handle/123456789/222877

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0801.3255
 http://arxiv.org/abs/0801.3255
 Optics Letters, Vol. 34, page 259 (2009)
 doi:10.1364/OL.34.000259

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arXiv