Title :
A terahertz plasmonic metamaterial structure for near-field sensing applications
Author :
Arbabi, Amir ; Rohani, Arash ; Saeedkia, Daryoosh ; Safavi-Naeini, Safieddin
Author_Institution :
Electr. & Comput. Eng. Dept., Univ. of Waterloo, Waterloo, ON
Abstract :
A highly sensitive terahertz surface wave sensor structure is proposed for near field spectroscopy and sensing applications. A periodically patterned metallic structure is used to guide plasmonic surface waves at THz frequencies. The quasi-optical continuous wave (CW) terahertz radiation is coupled to this structure using the Otto attenuated total reflection (ATR) configuration. It is shown that terahertz surface waves can be supported by the proposed structure. The sensitivity of the device is discussed.
Keywords :
attenuated total reflection; metallic thin films; metamaterials; plasmonics; submillimetre wave propagation; surface plasmons; terahertz waves; Otto attenuated total reflection configuration; near field spectroscopy; near-field sensing; periodically patterned metallic structure; plasmonic surface wave guides; quasi-optical continuous wave terahertz radiation; terahertz plasmonic metamaterial structure; terahertz surface wave sensor; Application software; Electromagnetic coupling; Frequency; Metamaterials; Optical surface waves; Periodic structures; Plasmons; Refractive index; Spectroscopy; Surface waves;
Conference_Titel :
Infrared, Millimeter and Terahertz Waves, 2008. IRMMW-THz 2008. 33rd International Conference on
Conference_Location :
Pasadena, CA
Print_ISBN :
978-1-4244-2119-0
Electronic_ISBN :
978-1-4244-2120-6
DOI :
10.1109/ICIMW.2008.4665451
