Design, fabrication, and demonstration of a dielectric vortex waveguide in the sub-terahertz region.
Appl Opt
; 56(25): 7123-7129, 2017 Sep 01.
Article
en En
| MEDLINE
| ID: mdl-29047972
ABSTRACT
A sub-terahertz vortex dielectric waveguide was designed and fabricated in the cyclic olefin copolymer (TOPAS) compound. The annular index profile was engineered using a holey cladding to support operation from approximately 200-300 GHz. The vortex waveguide was tested at 280 GHz using an OAM-endowed Laguerre-Gaussian mode generated by a stepped spiral phase plate.
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MEDLINE
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Appl Opt
Año:
2017
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Article