Title :
Large aperture diffractive lenses for the THz domain
Author :
Maciej Sypek;Michał Makowski;Izabela Ducin;Agnieszka Siemion;Andrzej Siemion;Jarosław Suszek;Frédéric Garet;Emilie Hérault;Jean-Louis Coutaz
Author_Institution :
Faculty of Physics, Warsaw University of Technology, Koszykowa 75, 00 662 Warsaw, Poland
Abstract :
We design, manufacture and characterize large numerical aperture lenses for the THz frequency range. Binary metallic lenses focus off-axis a selected narrow band part from a wide band incident signal. Double-side dielectric Fresnel lenses exhibit low absorption and almost no aberration.
Keywords :
"Lenses","Absorption","Shape","Apertures","Frequency measurement"
Conference_Titel :
Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2011 36th International Conference on
Print_ISBN :
978-1-4577-0510-6
Electronic_ISBN :
2162-2035
DOI :
10.1109/irmmw-THz.2011.6104806
