Title :
Surface Plasmon Polariton-based Coaxial Probe for Terahertz Near-field Microscopy
Author :
Surawicz, Dustin ; Bolívar, Peter Haring ; Shin, Heungjoo ; Mizaikoff, Boris
Author_Institution :
Siegen Univ., Siegen
Abstract :
An enhanced sensitivity near-field terahertz microscope concept is presented based on surface plasmon polariton assisted tunneling through a sub-wavelength coaxial probe. A concentric metallo-dielectric coupling structure yields a field enhancement by two orders of magnitude.
Keywords :
infrared imaging; optical microscopy; polaritons; submillimetre wave imaging; surface plasmons; tunnelling; concentric metallodielectric coupling structure; enhanced sensitivity near-field terahertz microscope; field enhancement; subwavelength coaxial probe; surface plasmon polariton assisted tunneling; Apertures; Biomedical optical imaging; Coaxial components; Frequency; Microscopy; Optical scattering; Optical sensors; Plasmons; Probes; Sensor systems;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453026