Title :
High efficiency coupling into tapered parallel plate terahertz waveguides
Author :
Gerhard, M. ; Theuer, Michael ; Rahm, Marco ; Beigang, Rene
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Kaiserslautern, Kaiserslautern, Germany
Abstract :
We present efficient coupling of focused broadband terahertz radiation into tapered metal parallel plate waveguides of sub-wavelength gap widths. The achieved amplitude coupling ratio of more than 70% is investigated for different polarizations.
Keywords :
light polarisation; optical couplers; optical focusing; optical waveguides; terahertz waves; amplitude coupling ratio; focused broadband terahertz radiation; polarizations; subwavelength gap widths; tapered metal parallel plate terahertz waveguides; Couplings; Dispersion; Horn antennas; Metals; Optical waveguides; Waveguide discontinuities;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
