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physics.optics2019
Poincaré Bessel Beams: Structure and Propagation
Brianna M. Holmes, Enrique J. Galvez
Non-separable superpositions of polarization and spatial modes in Gaussian beams have shown rich patterns of spatially-variable polarization encoded in the transverse mode of the l…
physics.optics2019
Crown-structured optical harmonics
David L. Andrews, Henryk Haniewicz, Enrique J. Galvez
At levels of laser intensity below threshold for multiphoton ionization, the parametric generation of optical harmonics in gases and other isotropic media is subject to selection r…