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Generation of the “perfect” optical vortex using a liquid-crystal spatial light modulator

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Abstract

We introduce the concept of the perfect optical vortex whose dark hollow radius does not depend on the topological charge. It is shown analytically and experimentally that such a vortex can be approximately generated in the Fourier transforming optical system with a computer-controlled liquid-crystal spatial light modulator.

© 2013 Optical Society of America

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