Title :
Photoconductive terahertz antenna with radial symmetry
Author :
Deibel, J.A. ; Escarra, M.D. ; Mittleman, Daniel M.
Author_Institution :
Dept. of Electr. & Comput. Eng., Rice Univ., Houston, TX, USA
Abstract :
The use of coaxial waveguides with terahertz pulses requires the difficult excitation of the radially polarized fundamental mode of the waveguide. We propose a radially symmetric terahertz antenna and present simulations predicting the generation of a radially polarized beam.
Keywords :
antenna radiation patterns; coaxial waveguides; electromagnetic wave polarisation; photoconducting devices; submillimetre wave antennas; symmetry; coaxial waveguides; photoconductive terahertz antenna; radial symmetry; radially polarized fundamental mode; terahertz pulses; Coaxial components; Computational modeling; Dielectric substrates; Dipole antennas; Optical polarization; Optical pulse generation; Optical pulses; Optical waveguides; Photoconductivity; Quantum computing;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1549091
