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
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
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.
2003, Vol. 20 
