Title:
Bendings and Filters with Single Strip THz Plasmonic Waveguides
Author(s):
Tahsin Akalin, Emilien Peytavit and Jean-François Lampin
Source:
IRMMW-THz 2007
Vol./Issue/Date:
Sep. 2007
Year:
2007
Page(s):
Keywords:
Bendings, Filter, Plasmonic, Terahertz
Abstract:
In this communication, we present measurement results on THz Planar Strip Plasmonic (THz-PSP) structures based on Planar Goubau Lines (PGL). The first part will be dedicated to the study of bendings (90° for example) and the second one to filters fabricated with a corrugated PGL. We demonstrate low loss bendings with highly confined electromagnetic waves. For the second part two different topologies are studied: the first one corresponds to a periodical corrugation of the Goubau line section which is a single metallic strip conductor and in the second case we place gaps in this
conductor which is in this configuration formed by finite sized
metallic strips. In both case we have a rejected frequency band
controlled by some geometrical parameters. We will also give the
role of the main geometrical parameters on the transmission and
reflection coefficients. In the structure with equally spaced gaps,
we have also a relatively high transmission parameter. We will
present results obtained as well with electromagnetic simulation
tools than with Vectorial Network Analyser (VNA) measurements up to 220GHz. Potential applications, like focusing effects and THz plasmonic metamaterial behaviour, with these structures will also be discussed.
Document:
Reference Id:
407
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