Production of confluent hypergeometric beam by computer-generated hologram

Jiannong Chen; Qinfeng Xu; Gang Wang

doi:10.1117/1.3533031

1 February 2011 Production of confluent hypergeometric beam by computer-generated hologram

Jiannong Chen, Qinfeng Xu, Gang Wang

Author Affiliations +

Optical Engineering, Vol. 50, Issue 2, 024201 (February 2011). https://doi.org/10.1117/1.3533031

Abstract

Because of their spiral wave front, phase singularity, zero-intensity center and orbital angular momentum, dark hollow vortex beams have been found many applications in the field of atom optics such as atom cooling, atom transport and atom guiding. In this paper, a method for generating confluent hypergeometric beam by computer-generated hologram displayed on the spatial light modulator is presented. The hologram is formed by interference between a single ring Laguerre-Gaussian beam and a plane wave. The far-field Fraunhofer diffraction of this optical field transmitted from the hologram is the confluent hypergeometric beam. This beam is a circular symmetric beam which has a phase singularity, spiral wave front, zero-intensity center, and intrinsic orbital angular momentum. It is a new dark hollow vortex beam

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Jiannong Chen, Qinfeng Xu, and Gang Wang "Production of confluent hypergeometric beam by computer-generated hologram," Optical Engineering 50(2), 024201 (1 February 2011). https://doi.org/10.1117/1.3533031

Published: 1 February 2011

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