Dynamics of selective reflections of cholesteric liquid crystals subject to electric fields

1995 ◽  
Vol 77 (2) ◽  
pp. 572-576 ◽  
Author(s):  
N. Scaramuzza ◽  
C. Ferrero ◽  
V. Carbone ◽  
C. Versace
Keyword(s):  
Liquid Crystals ◽  
Electric Fields ◽  
Cholesteric Liquid Crystals

Cholesteric liquid crystals with an electrically controllable reflection bandwidth based on ionic polymer networks and chiral ions

2015 ◽  
Vol 3 (21) ◽  
pp. 5406-5411 ◽  
Author(s):  
Hongbo Lu ◽  
Jinliang Hu ◽  
Yutian Chu ◽  
Wei Xu ◽  
Longzhen Qiu ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Electric Fields ◽  
Polymer Networks ◽  
Cholesteric Liquid Crystals ◽  
Ionic Polymer ◽  
Visible Wavelength

The reflection bandwidth can be tuned dynamically by electric fields in the visible wavelength regime.

Electrohydrodynamic Effects in Cholesteric Liquid Crystals under ac Electric Fields

1972 ◽  
Vol 28 (12) ◽  
pp. 735-737 ◽  
Author(s):  
F. Rondelez ◽  
H. Arnould ◽  
C. J. Gerritsma
Keyword(s):  
Liquid Crystals ◽  
Electric Fields ◽  
Cholesteric Liquid Crystals ◽  
Ac Electric Fields

Mechanism of electrically induced photonic band gap broadening in polymer stabilized cholesteric liquid crystals with negative dielectric anisotropies

Soft Matter ◽  
2015 ◽  
Vol 11 (6) ◽  
pp. 1208-1213 ◽  
Author(s):  
Hossein Nemati ◽  
Shiyi Liu ◽  
Rafael S. Zola ◽  
Vincent P. Tondiglia ◽  
Kyung Min Lee ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Band Gap ◽  
Electric Fields ◽  
Photonic Band Gap ◽  
Cholesteric Liquid Crystals ◽  
Reflection Band ◽  
Polymer Stabilized ◽  
Photonic Band ◽  
Dc Electric Fields

We experimentally observed that the photonic band gap (reflection band) of polymer stabilized cholesteric liquid crystals with negative dielectric anisotropies can be greatly broadened under DC electric fields.

Effects of in-plane electric fields on the optical properties of cholesteric liquid crystals

2013 ◽  
Author(s):  
Mariacristina Rumi ◽  
Vincent P. Tondiglia ◽  
Lalgudi V. Natarajan ◽  
Timothy J. White ◽  
Timothy J. Bunning
Keyword(s):  
Optical Properties ◽  
Liquid Crystals ◽  
Electric Fields ◽  
Cholesteric Liquid Crystals
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