Title :
Dual-frequency switching Liquid Crystal based tunable THz Filter
Author :
Göbel, Thorsten ; Meissner, Peter ; Gaebler, Alexander ; Koeberle, Markus ; Mueller, Stefan ; Jakoby, Rolf
Author_Institution :
Opt. Commun. Dept., Tech. Univ. Darmstadt, Darmstadt, Germany
Abstract :
The controllable permittivity of liquid crystals is utilized to realize a tunable THz filter. By employing dual-frequency switching liquid crystals, we achieve pure electrical steering of filter. This facilitates both, measurement setup and filter implementation.
Keywords :
electro-optical filters; electro-optical switches; liquid crystals; optical tuning; terahertz wave devices; DFSW-LC; dual-frequency switching liquid crystal; electrical steering; microwave application; tunable terahertz filter; Frequency; Liquid crystal displays; Liquid crystals; Microwave filters; Optical filters; Permittivity; Silicon compounds; Submillimeter wave filters; Tuning; Voltage control; (120.2230) Fabry-Perot; (160.3710) Liquid crystals; (300.6495) Spectroscopy, terahertz;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
