Open AccessPaper like cholesteric interferential mirror
Author(s) -
Gia Petriashvili,
K. G. Japaridze,
Lali Devadze,
Cisana Zurabishvili,
Nino Sepashvili,
Nino Ponjavidze,
Maria P. De Santo,
M. A. Matranga,
Ridha Hamdi,
Federica Ciuchi,
R. Barberi
Publication year - 2013
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.21.020821
Subject(s) - optics , materials science , optoelectronics , liquid crystal , photomask , polarization (electrochemistry) , physics , nanotechnology , chemistry , layer (electronics) , resist
A new type of flexible cholesteric liquid crystal mirror is presented. The simple and effective method for the deposition of a cholesteric mixture on a paper substrate and the particular design of the device give a homogeneous alignment of the cholesteric texture providing mirrors with an intense and uniform light reflectance. A desired polarization state for the reflected light, linear or circular, can be easily obtained varying the thickness and optical anisotropy of the polymer cover film. By using non-azobenzene based photosensitive materials a permanent array of RGB mirrors with high reflectivity can be obtained on the same device. Paper like reflective mirrors are versatile and they can find applications in reflective displays, adaptive optics, UV detectors and dosimeters, information recording, medicine and IR converters.