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The generation and interference of vortex beam have been investigated both theoretically and experimentally in this paper. The interference pattern of fractional and integral vortex beams with vortex beams with spherical wave and plane wave have been studied numerically, and the corresponding experimental results are presented. The experimental results and numerical results are practically consistent. It is found that the interference pattern varies with the topological charge of vortex beams. This phenomenon can be used to detect the topological charge of fractional vortex beam.
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Keywords:
- physical optics /
- vortex beam /
- topological charge /
- interference
[1] ［1］Allen L, Beijersbergen M W, Spreeuw R J C, Woerdman J P 1992 Phys. Rev. A 45 8185
[2] ［2］Zhang L,Cai Y J, Lu X H 2004 Acta Phys. Sin. 53 1778 （in Chinese）［张蕾、蔡阳健、 陆璇辉 2004 53 1778 ］
[3] ［3］Liu P S, Lü B D 2007 Chin. Phys. 16 411
[4] ［4］AshKin A, Dziedzic J 1975 Sciences 187 1073
[5] ［5］Felgner H,Muller O, Schiwa M 1995 Appl. Opt. 34 977
[6] ［6］Wright W,Sonek G, Berns M 1994 Appl. Opt. 33 1735
[7] ［7］Simpson N,Mcgloin N,Dholakia K,Allen L, Padgett M 1998 J. Mod. Opt. 45 1943
[8] ［8］Simpson N ,Dholakia K, Allen L, Padgett M 1997 Opt. Lett.22 52
[9] ［9］Molina-Terriza G, Torres J P, Torner L 2002 Phys. Rev. Lett. 88 013601
[10] ］Liu Y D, Gao C Q,Gao M W, Li F 2007 Acta Phys. Sin. 56 854 （in Chinese）［刘义东、高春清、高明伟、李丰 2007 56 854］
[11] ］Chen B S ,Pu J X 2009 Chin. Phys. B 18 1034
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[1] ［1］Allen L, Beijersbergen M W, Spreeuw R J C, Woerdman J P 1992 Phys. Rev. A 45 8185
[2] ［2］Zhang L,Cai Y J, Lu X H 2004 Acta Phys. Sin. 53 1778 （in Chinese）［张蕾、蔡阳健、 陆璇辉 2004 53 1778 ］
[3] ［3］Liu P S, Lü B D 2007 Chin. Phys. 16 411
[4] ［4］AshKin A, Dziedzic J 1975 Sciences 187 1073
[5] ［5］Felgner H,Muller O, Schiwa M 1995 Appl. Opt. 34 977
[6] ［6］Wright W,Sonek G, Berns M 1994 Appl. Opt. 33 1735
[7] ［7］Simpson N,Mcgloin N,Dholakia K,Allen L, Padgett M 1998 J. Mod. Opt. 45 1943
[8] ［8］Simpson N ,Dholakia K, Allen L, Padgett M 1997 Opt. Lett.22 52
[9] ［9］Molina-Terriza G, Torres J P, Torner L 2002 Phys. Rev. Lett. 88 013601
[10] ］Liu Y D, Gao C Q,Gao M W, Li F 2007 Acta Phys. Sin. 56 854 （in Chinese）［刘义东、高春清、高明伟、李丰 2007 56 854］
[11] ］Chen B S ,Pu J X 2009 Chin. Phys. B 18 1034
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