Title :
Enhanced optical activity of a terahertz wave with complimentary double-layered metal chiral gratings
Author :
Kanda, N. ; Konishi, K. ; Kuwata-Gonokami, M.
Author_Institution :
Dept. of Appl. Phys., Univ. of Tokyo, Tokyo
Abstract :
We demonstrate polarization rotation of a terahertz electromagnetic wave with complimentary double-layered metal chiral gratings. We obtain an isotropic polarization rotation free from the birefringence of the structures.
Keywords :
birefringence; diffraction gratings; light polarisation; microwave photonics; optical rotation; submillimetre waves; birefringence; complimentary double-layered metal chiral gratings; enhanced optical activity; first-order spatial dispersion; isotropic polarization rotation; terahertz electromagnetic wave; three-dimensional structure; Birefringence; Electromagnetic wave polarization; Gratings; Infrared spectra; Optical films; Optical polarization; Optical sensors; Optical surface waves; Plasmons; Polarimetry; (120.2130) Ellipsometry and polarimetry; (230.3990) Microstructure devices; (240.6680) Surface plasmons; (300.6270) Spectroscopy, far infrared;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
