Structured illumination of a sub-wavelength hollow-waveguide array

A hollow-waveguide array with sub-wavelength dimensions was suggested earlier as a space-variant polarization converter. For optimum light transmission through the array, periodic structured illumination is generated by using a dielectric grating with the same period. In this paper various numerical...

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Published in:Optical and quantum electronics 2019-03, Vol.51 (3), p.1-15, Article 67
Main Authors: Helfert, Stefan F., Jahns, Jürgen
Format: Article
Language:English
Subjects:
2018 - Optical Wave and Waveguide Theory and Numerical Modelling
Arrays
Characterization and Evaluation of Materials
Computer Communication Networks
Computer simulation
COMPUTERIZED SIMULATION
Converters
DIELECTRIC MATERIALS
Electrical Engineering
GRATINGS
Illumination
Lasers
Lateral displacement
Light
LIGHT TRANSMISSION
NANOSCIENCE AND NANOTECHNOLOGY
NANOSTRUCTURES
Optical Devices
Optics
PERIODICITY
Photonics
Physics
Physics and Astronomy
POLARIZATION
WAVEGUIDES
WAVELENGTHS
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description A hollow-waveguide array with sub-wavelength dimensions was suggested earlier as a space-variant polarization converter. For optimum light transmission through the array, periodic structured illumination is generated by using a dielectric grating with the same period. In this paper various numerical simulations are performed. The transmission depends on numerous parameters. Particularly, it is shown how the grating can be optimized and how longitudinal and lateral displacements influence the results. For the considered configuration it is found that the transmission can be increased by factors up to 1.46 (TE) and 1.35 (TM) compared to a uniform illumination of the hollow waveguide array.
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1572-817X
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subjects 2018 - Optical Wave and Waveguide Theory and Numerical Modelling
Arrays
Characterization and Evaluation of Materials
Computer Communication Networks
Computer simulation
COMPUTERIZED SIMULATION
Converters
DIELECTRIC MATERIALS
Electrical Engineering
GRATINGS
Illumination
Lasers
Lateral displacement
Light
LIGHT TRANSMISSION
NANOSCIENCE AND NANOTECHNOLOGY
NANOSTRUCTURES
Optical Devices
Optics
PERIODICITY
Photonics
Physics
Physics and Astronomy
POLARIZATION
WAVEGUIDES
WAVELENGTHS
title Structured illumination of a sub-wavelength hollow-waveguide array
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