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Twisting light to trap atoms

Franke-Arnold, Sonja and Arnold, Aidan S. (2008) Twisting light to trap atoms. American Scientist, 96 (3). pp. 226-233. ISSN 0003-0996

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Abstract

Scientists are now exploiting orbital angular momentum in various experiments. Orbital angular momentum can arise if phase fronts, such as wave crests, become twisted around the direction of light propagation. Since the phenomenon was confirmed in 1992, researchers have investigated it in many experiments, initially with classical techniques but increasingly on the quantum level. Areas where orbital angular momentum can be used include in optical tweezers to rotate small particles; it can also be transferred from light to ultracold molecules, and it can be used as a model for applications in quantum cryptography.

Item type: Article
ID code: 28925
Keywords: angular momentum, ultracold molecules, atom optics, twisting light, Physics, General
Subjects: Science > Physics
Department: Faculty of Science > Physics
Depositing user: Pure Administrator
Date Deposited: 28 Mar 2011 09:12
Last modified: 21 May 2015 12:57
URI: http://strathprints.strath.ac.uk/id/eprint/28925

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