Title :
Terahertz optical activity of a subwavelength helix
Author :
Chau, K.J. ; Elezzabi, A.Y.
Author_Institution :
Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, AB
Abstract :
We study terahertz pulse propagation through a subwavelength helix; it is shown that polarization rotation accrues linearly within the helix, revealing a direct relationship between the optical activity of a helix and its geometrical chirality.
Keywords :
chirality; copper; gold; light polarisation; optical rotation; submillimetre wave propagation; Au-Cu; geometrical chirality; polarization rotation; subwavelength helix; terahertz optical activity; terahertz pulse propagation; Absorption; Anisotropic magnetoresistance; Electric variables measurement; Electromagnetic scattering; Geometrical optics; Optical polarization; Optical pulses; Optical refraction; Optical scattering; Optical variables control; (300.6500) Spectroscopy, time-resolved; (320.5390) Picosecond phenomena;
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
