Abstract

We propose a generalized approach to producing optical vortices with suppressed sidelobes using a variable Bessel-like function added to the conventional spiral phase plate. Experimental verifications are implemented by a phase-only spatial light modulator. It is demonstrated that the method is valid for optical vortex beams with arbitrary topological charges and without changing the primary ring size as a unique property among the existing techniques.

© 2009 Optical Society of America

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History
Original Manuscript: May 27, 2009
Manuscript Accepted: August 28, 2009
Revised Manuscript: August 6, 2009
Published: October 23, 2009

References

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Author Affiliations

J. Chen, X.-C. Yuan, X. Zhao, Z. L. Fang

Nankai University

S. W. Zhu

Tianjin Union Medicine Centre

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