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Opt Lett. 2011 May 15;36(10):1863-5. doi: 10.1364/OL.36.001863.

Measuring orbital angular momentum superpositions of light by mode transformation.

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  • 1Huygens Laboratory, Leiden University, P.O. Box 9504, 2300 RA Leiden, The Netherlands.


We recently reported on a method for measuring orbital angular momentum (OAM) states of light based on the transformation of helically phased beams to tilted plane waves [Phys. Rev. Lett.105, 153601 (2010)]. Here we consider the performance of such a system for superpositions of OAM states by measuring the modal content of noninteger OAM states and beams produced by a Heaviside phase plate.

© 2011 Optical Society of America

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