Design, fabrication, and demonstration of a dielectric vortex waveguide in the sub-terahertz region

Design, fabrication, and demonstration of a dielectric vortex waveguide in the sub-terahertz region

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-endowe...

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Veröffentlicht in:Applied optics (2004) 2017-09, Vol.56 (25), p.7123-7129
Hauptverfasser: Aflakian, Nafiseh, LaFave, Tim P, Kenneth, K O, Ashrafi, Solyman, MacFarlane, Duncan L
Format: Artikel
Sprache:eng
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Zusammenfassung: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.
ISSN:1559-128X
2155-3165
1539-4522
DOI:10.1364/AO.56.007123