Abstract
We report the design and optimization of a diffractive phase element whose phase modulation is derived from the Jacobi–Anger relation, which allows the simultaneous generation of multiple scalar Bessel beams of different integer orders. In addition, by the appropriate treatment of a couple of such Bessel beams, we generate a vector Bessel beam of arbitrary order . This beam is constructed by the collinear superposition of the scalar Bessel beam modes of orders and , with circular orthogonal polarizations. We demonstrate experimentally both the simultaneous generation of the multiple scalar Bessel beams and the generation of vector Bessel beams of orders and . These tasks are performed in an optical setup based on a pixelated liquid-crystal spatial light modulator.
© 2017 Optical Society of America
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