Broadband reflection in polymer stabilized cholesteric liquid crystal films with stepwise photo-polymerization

2017 ◽  
Vol 19 (3) ◽  
pp. 2353-2358 ◽  
Author(s):  
Man-yu Duan ◽  
Hui Cao ◽  
Yong Wu ◽  
Er-li Li ◽  
Hui-hui Wang ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Cholesteric Liquid Crystal ◽  
Liquid Crystal Films ◽  
Photo Polymerization ◽  
Crystal Films ◽  
Novel Method ◽  
Polymer Stabilized

In this study, we demonstrate a novel method for fabricating polymer stabilized cholesteric liquid crystal (PSCLC) films with non-uniform pitch distribution by utilizing two kinds of photo-induced processes.

Optically switchable biphotonic gratings based on dye-doped cholesteric liquid crystal films

2007 ◽  
Vol 90 (26) ◽  
pp. 261103 ◽  
Author(s):  
H.-C. Yeh ◽  
G.-H. Chen ◽  
C.-R. Lee ◽  
T.-S. Mo
Keyword(s):  
Liquid Crystal ◽  
Cholesteric Liquid Crystal ◽  
Liquid Crystal Films ◽  
Crystal Films

scholarly journals Direct measurements of structural forces and twist transitions in cholesteric liquid crystal films with a surface force apparatus

Soft Matter ◽  
2019 ◽  
Vol 15 (24) ◽  
pp. 4905-4914
Author(s):  
Weichao Zheng ◽  
Carla Sofia Perez-Martinez ◽  
Gia Petriashvili ◽  
Susan Perkin ◽  
Bruno Zappone
Keyword(s):  
Liquid Crystal ◽  
Cholesteric Liquid Crystal ◽  
Surface Force ◽  
Surface Force Apparatus ◽  
Liquid Crystal Films ◽  
Structural Forces ◽  
Direct Measurements ◽  
Crystal Films

Mechanical micro-confinement of a cholesteric liquid crystal between crossed cylinders produces dislocations, twist transitions and oscillatory structural forces.

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