Title :
Wavelength-insensitive negative optical permittivity without nanofabrication in transparent nonlinear dipolar glasses
Author :
DelRe, Eugenio ; Parravicini, Jacopo ; Parravicini, Gianbattista ; Agranat, Aharon J. ; Conti, Claudio
Author_Institution :
Dipt. di Ing. Elettr. e dell´´Inf., Univ. dell´´Aquila, L´´Aquila, Italy
Abstract :
We demonstrate an optically employable negative permittivity regime in a photorefractive dipolar glass. Signature anti-diffraction is detected when the transparent glass is cast far from equilibrium through a rapid small-amplitude temperature swing.
Keywords :
nonlinear optics; optical glass; permittivity; photorefractive materials; transparency; SiO2; nanofabrication; photorefractive dipolar glass; rapid small-amplitude temperature swing; signature anti-diffraction; transparent nonlinear dipolar glasses; wavelength-insensitive negative optical permittivity; Biomedical optical imaging; Diffraction; Glass; Laser beams; Nonlinear optics; Optical diffraction; Permittivity;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
