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Appl Opt. 2008 Oct 1;47(28):5098-102.

Mode purity comparison of optical vortices generated by a segmented deformable mirror and a static multilevel phase plate.

Author information

  • 1Department of Physics and Optical Science, The University of North Carolina at Charlotte, 9201 University City Boulevard, Charlotte, North Carolina 28223, USA. cipion@uncc.edu

Abstract

We present a mode purity comparison between optical vortices (OVs) generated by a static multilevel phase plate with 16 or 32 phase steps and a vortex generated with a segmented deformable mirror with 37 actuators. Computer simulations show the intensity and phase of the vortices generated with the two methods. The deformable mirror, by being reconfigurable, shows better mode purity for high charge OVs, while the static phase plate mode efficiency declines due to the fixed number phase quantization.

PMID:
18830297
[PubMed]
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