Single-wire transmission lines at terahertz frequencies

In this paper, we report results on an original way to excite surface waves on a single-wire transmission line. Although these waves were proposed many decades ago by Goubau, the novelty of our structures is to achieve a broadband planar excitement. This configuration is very well suited for the ter...

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Bibliographic Details
Published inIEEE transactions on microwave theory and techniques Vol. 54; no. 6; pp. 2762 - 2767
Main Authors Akalin, T., Treizebre, A., Bocquet, B.
Format Journal Article Conference Proceeding
LanguageEnglish
Published New York, NY IEEE 01.06.2006
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Applied sciences
Biomicroelectromechanical systems (bioMEMS)
Biosensors
Broadband
Circuit properties
Coplanar transmission lines
coplanar waveguide (CPW) transition
Coplanar waveguides
Electric, optical and optoelectronic circuits
Electromagnetic propagation
Electromagnetic waveguides
Electronics
Engineering Sciences
Exact sciences and technology
Excitation
Frequency
Goubau line
Microfluidics
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwaves
Quartz
Strips
Surface waves
terahertz
Terahertz frequencies
transmission line
Transmission lines
Waveguide transitions
High resolution
Biomicroelectromechanical systems (bioMEMS)
Surface wave
THz range
Goubau line
Transmission line
coplanar waveguide (CPW) transition
Wide band
terahertz
Tapered waveguide section
Coplanar waveguides
Spatial resolution
Microfluidics
Planar technology
Waveguide transitions
Strips
Transmission lines
Surface waves
Coplanar transmission lines
Electromagnetic waveguides
Frequency
Biosensors
Electromagnetic propagation
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Summary:In this paper, we report results on an original way to excite surface waves on a single-wire transmission line. Although these waves were proposed many decades ago by Goubau, the novelty of our structures is to achieve a broadband planar excitement. This configuration is very well suited for the terahertz frequency range and allows the investigation of biological entities with high spatial resolution with the use of novel biomicroelectromechanical systems, which include microfluidic functions. From experimental results, we compare different types of transitions from coplanar waveguides, and different substrates are also used. We show that the excitation is highly efficient and broadband for structures on a quartz substrate
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2006.874890