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.

Photonic Band-Gap Modeling of Cholesteric Liquid Crystals with Periodic Pitch Modulations

2008 ◽  
Vol 480 (1) ◽  
pp. 231-240 ◽  
Author(s):  
Hiroyuki Yoshida ◽  
Akihiko Fujii ◽  
Katsumi Yoshino ◽  
Masanori Ozaki
Keyword(s):  
Liquid Crystals ◽  
Band Gap ◽  
Photonic Band Gap ◽  
Cholesteric Liquid Crystals ◽  
Photonic Band

Enhanced reflection band broadening in polymer stabilized cholesteric liquid crystals with negative dielectric anisotropy

2018 ◽  
Vol 267 ◽  
pp. 120-126 ◽  
Author(s):  
Hossein Nemati ◽  
Shiyi Liu ◽  
Alireza Moheghi ◽  
Vincent P. Tondiglia ◽  
Kyung Min Lee ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Dielectric Anisotropy ◽  
Band Broadening ◽  
Cholesteric Liquid Crystals ◽  
Reflection Band ◽  
Polymer Stabilized

scholarly journals Electrically tunable photonic band gap structure in monodomain blue-phase liquid crystals

2020 ◽  
Vol 12 (1) ◽  
Author(s):  
Ramesh Manda ◽  
Srinivas Pagidi ◽  
Yunjin Heo ◽  
Young Jin Lim ◽  
MinSu Kim ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Band Gap ◽  
Photonic Band Gap ◽  
Phase Liquid ◽  
Blue Phase ◽  
Photonic Band Gap Structure ◽  
Band Gap Structure ◽  
Photonic Band ◽  
Gap Structure

Tunability effects in photonic band gap structures infiltrated with liquid crystals

2003 ◽  
Author(s):  
Antonella D'Orazio ◽  
Marco De Sario ◽  
Vincenzo Petruzzelli ◽  
Francesco Prudenzano
Keyword(s):  
Liquid Crystals ◽  
Band Gap ◽  
Photonic Band Gap ◽  
Photonic Band Gap Structures ◽  
Photonic Band
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