Chin. Phys. Lett.  2003, Vol. 20 Issue (7): 1054-1057    DOI:
Original Articles |
Atomic Funnel Composed of an HE11-Mode Output Hollow Beam
NI Yun2;LIU Nan-Chun2;YIN Jian-Ping1,2
1Key Laboratory for Optical and Magnetic Resonance Spectroscopy, Department of Physics, East China Normal University, Shanghai 200062 2Department of Physics, Suzhou University, Suzhou 215006
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NI Yun, LIU Nan-Chun, YIN Jian-Ping 2003 Chin. Phys. Lett. 20 1054-1057
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Abstract Using exact solutions of Maxwell equations based on the vector model, we calculate the diffracted near- and far-field distributions of the HE11-mode output beam from a micron-sized hollow optical fibre under the Fresnel approximation, and compare the differences between the HE11- and LP01-mode output beams. Our study shows that it is unsuitable to calculate the diffracted near-field distribution of the hollow fibre by using weakly waveguiding approximation, and the near- and far-field intensity distributions of the HE11-mode output beam are doughnut-like, which can be used to form a simple atomic funnel as it is blue-detuned.

Keywords: 42.50.Vk      32.80.Lg      32.80.Pj      03.50.De     
Published: 01 July 2003
PACS:  42.50.Vk  
  32.80.Lg  
  32.80.Pj  
  03.50.De (Classical electromagnetism, Maxwell equations)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I7/01054
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