Search results for "Multiplexed vortex beams"

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Multiplexing THz Vortex Beams With a Single Diffractive 3-D Printed Lens

2019

[EN] We present a novel method for experimentally generating multiplexed THz vortex beams by using a single three-dimensional printed element that combines a set of radially distributed spiral phase plates, and a binary focusing Fresnel lens. With this element, we have experimentally demonstrated that THz multiplexing can be tailored to fit within a small space on an optical bench. Results are presented beside numerical simulations, demonstrating the robust nature of the experimental method.

DiffractionTerahertz radiationPhase (waves)Diffractive lensesPhysics::Optics02 engineering and technology01 natural sciencesMultiplexinglaw.invention010309 opticsMultiplexed vortex beamsOpticslaw0103 physical sciencesElectrical and Electronic EngineeringSpiralVortex lensesPhysicsRadiationbusiness.industryFresnel lens021001 nanoscience & nanotechnologyLens (optics)FISICA APLICADA0210 nano-technologybusinessOptical vortexDiffraction

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