Title :
Tailored focal length of the sub-wavelength slit-groove-based metamaterials in THz regime
Author :
Lee, Kwangchil ; Kim, Kyoungsik
Author_Institution :
Sch. of Mech. Eng., Yonsei Univ., Seoul
Abstract :
We design the slit-groove-based metamaterials of sub-wavelength resolution and high transmission (~60%) with precisely controllable far-field focal length in the range of lambda by modulating the depth of grooves.
Keywords :
finite difference time-domain analysis; metamaterials; plasmonics; submillimetre waves; FDTD calculation; THz regime; far-field focal length; plasmonic THz optics; sub-wavelength slit-groove-based metamaterials; Apertures; Biomedical optical imaging; Image resolution; Indium tin oxide; Metamaterials; Optical imaging; Optical modulation; Optical surface waves; Plasmons; 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.2008.4665508
