Title :
Nano-spheres dispersed nematic liquid crystals for broadband tunable negative-zero-positive index materials
Author :
Khoo, I.C. ; Diaz, A.
Author_Institution :
Electrical Engineering Department, The Pennsylvania State University, University Park, 16802, USA
Abstract :
It is demonstrated that by introducing gain and nano-spheres in aligned nematic liquid crystals, one can design metamaterials which possess broadband tunable negative-zero-positive index with relatively low loss compared to other material systems.
Keywords :
Crystalline materials; Crystallization; Liquid crystal devices; Liquid crystals; Optical losses; Optical materials; Optical refraction; Optical variables control; Refractive index; Tunable circuits and devices;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431632
