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Engineering the Wavelength and Topological Charge of Non-Diffracting Beams Along Their Axis of Propagation

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Abstract

We present non-diffracting structured light beams in which their wavelength and local orbital angular momentum can be changed independently and “at will” along the axis of propagation, thus opening new possibilities in laser processing, micromanipulation, and data communications.

© 2019 The Author(s)

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