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  • Received: Jan. 31, 2007

    Accepted: --

    Posted: Aug. 8, 2007

    Published Online: Aug. 8, 2007

    The Author Email: Hongyu Ma (redstone@siom.ac.cn)

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    Hongyu Ma, Huadong Cheng, Wenzhuo Zhang, Liang Liu, Yuzhu Wang. Generation of a hollow laser beam by a multimode fiber[J]. Chinese Optics Letters, 2007, 5(8): 460

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Chinese Optics Letters, Vol. 5, Issue 8, 460 (2007)

Generation of a hollow laser beam by a multimode fiber

Hongyu Ma*, Huadong Cheng, Wenzhuo Zhang, Liang Liu, and Yuzhu Wang

Author Affiliations

  • Key Laboratory of Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800

Abstract

A simple method to generate a hollow laser beam by multimode fiber is reported. A dark hollow laser beam is generated from a multimode fiber and the dependence of the output beam profile on the incident angle of laser beam is analyzed. The results show that this hollow laser beam can be used to trap and guide cold atoms.

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