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Generation of high conical angle Bessel–Gauss beams with reflective axicons

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Abstract

We report the generation of Bessel–Gauss beams of high conical angle, up to 35 deg, using reflective off-axis axicons and a magnification optical system. We experimentally characterize the beams with three-dimensional scans. The high precision of fabrication of the axicons in the vicinity of the axicon singularity allows us to generate a beam with intensity distribution close to analytical description.

© 2018 Optical Society of America

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