Abstract

A new type of scalar nondiffracting beam is presented whose main feature is the freedom on the choice of a two-dimensional spatial intensity pattern dependent upon the longitudinal coordinate. Examples of such millimeter-structured surface beams are provided over Cartesian and cylindrical planes, and, motivated by the idea of designing beams capable of simultaneous manipulation, guidance, and/or trapping of micro- and millimeter-size particles, here we also derive analytical expressions for their beam shape coefficients in the framework of the generalized Lorenz–Mie theory, a first step toward the analysis of light–matter interactions with spherical particles from such light fields.

© 2019 Optical Society of America

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