Title :
Enhanced THz transmission through periodic subwavelength aperture arrays fabricated in graphite
Author :
Liu, Shuchang ; Nguyen, Tho Duc ; Vardeny, Z. Valy ; Nahata, Ajay
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Utah, Salt Lake City, UT, USA
Abstract :
We demonstrate that graphite is an attractive medium for plasmonics applications at THz frequencies. We accomplish this by measuring the complex dielectric properties of planar and periodically perforated graphite films using terahertz time-domain spectroscopy.
Keywords :
dielectric thin films; graphite; permittivity; plasmonics; surface plasmons; terahertz wave spectra; C; THz frequency; complex dielectric properties; dielectric constant; enhanced THz transmission; periodic subwavelength aperture arrays; periodically perforated graphite films; planar perforated graphite films; plasmonics applications; terahertz time-domain spectroscopy; Apertures; Conductivity; Films; Plasmons; Steel;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
