scholarly journals Electrically tunable high Q-factor micro-ring resonator based on blue phase liquid crystal cladding

2014 ◽  
Vol 22 (15) ◽  
pp. 17776 ◽  
Author(s):  
Chun-Ta Wang ◽  
Yuan-Cheng Li ◽  
Jui-Hao Yu ◽  
Cheng Yu Wang ◽  
Chih-Wei Tseng ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Ring Resonator ◽  
Q Factor ◽  
High Q ◽  
Phase Liquid ◽  
Blue Phase

scholarly journals Low voltage and high contrast blue phase liquid crystal with red-shifted Bragg reflection

2013 ◽  
Vol 102 (1) ◽  
pp. 011113 ◽  
Author(s):  
Jin Yan ◽  
Zhenyue Luo ◽  
Shin-Tson Wu ◽  
Jyh-Wen Shiu ◽  
Yu-Cheng Lai ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Low Voltage ◽  
Bragg Reflection ◽  
High Contrast ◽  
Phase Liquid ◽  
Blue Phase

Hydrogen-bonded bent-core blue phase liquid crystal complexes containing various molar ratios of proton acceptors and donors

RSC Advances ◽  
2016 ◽  
Vol 6 (38) ◽  
pp. 32319-32327 ◽  
Author(s):  
Chun-Chieh Han ◽  
Yu-Chaing Chou ◽  
San-Yuan Chen ◽  
Hong-Cheu Lin
Keyword(s):  
Liquid Crystal ◽  
Chain Length ◽  
Alkyl Chain ◽  
Alkyl Chain Length ◽  
Chiral Center ◽  
Molar Ratio ◽  
Core Complex ◽  
Molar Ratios ◽  
Phase Liquid ◽  
Blue Phase

The molar ratio, alkyl chain length, lateral fluoro-substitution and the chiral center of H-bonded bent-core supramolecules would affect the BP ranges of BPLC complexes. H-bonded bent-core complex PIIIC9/AIIF* (3/7 mol mol−1) displayed the widest BPI range of ΔTBPI = 12 °C.

A Single-Cell-Gap Transflective Display Using a Blue-Phase Liquid Crystal

2011 ◽  
Vol 7 (4) ◽  
pp. 170-173 ◽  
Author(s):  
Feng Zhou ◽  
Jian-Peng Cui ◽  
Qiong-Hua Wang ◽  
Da-Hai Li ◽  
Di Wu
Keyword(s):  
Liquid Crystal ◽  
Single Cell ◽  
Phase Liquid ◽  
Blue Phase

Optically induced birefringence in dye-doped blue phase liquid crystals

2019 ◽  
Vol 46 (6) ◽  
pp. 913-919
Author(s):  
Lin ◽  
Kuo ◽  
Huang ◽  
Wu ◽  
Lin ◽  
...  
Keyword(s):  
Refractive Index ◽  
Liquid Crystal ◽  
Pump Beam ◽  
Pump Intensity ◽  
Photoinduced Change ◽  
Methyl Red ◽  
Sem Images ◽  
Photoinduced Birefringence ◽  
Phase Liquid ◽  
Blue Phase

This paper investigates the photoinduced change of refractive index in dye (methyl red, MR)-doped blue phase (DDBP) cells by illumination of a pump beam. Through excitation of light irradiation with proper photon energy, MR can transform from trans-state to cis-state and successively diffuse and anisotropically adsorb on the inner glass substrate of the DDBP cell along the direction perpendicular to the polarisation of the pump beam. The adsorbed MR molecules can effectively rotate the orientation of the liquid crystal (LC) molecules and thereby modulate the effective refractive index of the DDBP cell. The SEM images of the adsorbed regions of the illuminated DDBP samples were also taken for discussing the relation between the pump intensity and the photoinduced birefringence.

High-Q Silicon-on-Insulator Micro-Ring Resonator with Silica Covering

2013 ◽  
Vol 684 ◽  
pp. 443-446
Author(s):  
Chao Liu ◽  
Chen Yang Xue ◽  
Dan Feng Cui ◽  
Jun Bin Zang ◽  
Yong Hua Wang ◽  
...  
Keyword(s):  
Electron Beam ◽  
Transmission Spectrum ◽  
Electron Beam Lithography ◽  
Ring Resonator ◽  
Sio2 Layer ◽  
Silicon On Insulator ◽  
New Method ◽  
Ring Resonators ◽  
Q Factor ◽  
High Q

We designed High-Q micro-ring resonators based on SOI material. A new method of using a top SiO2 layer to cover the waveguide is applied and the tested Q factor is as high as 1.0135×104. Micro-ring resonator has been fabricated using Electron-Beam Lithography and Inductive Coupled Plasma. OptiFDTD was used to simulate the micro-ring resonator and we compared the transmission spectrum of this resonator with the resonator without SiO2 covering.

Synthesis of chiral azobenzene derivatives and the performance in photochemical control of blue phase liquid crystal

2017 ◽  
Vol 45 (3) ◽  
pp. 370-380 ◽  
Author(s):  
Wan-Li He ◽  
Meng Li ◽  
Sheng-Qiang Liu ◽  
Mei-ju Wei ◽  
Chang Liu ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Phase Liquid ◽  
Blue Phase ◽  
Azobenzene Derivatives

Photonic bandgaps controllable blue phase liquid crystal

2011 ◽  
Author(s):  
Hu-Yi Liu ◽  
Chun-Ta Wang ◽  
Chiao-Yun Hsu ◽  
Tsung-Hsien Lin
Keyword(s):  
Liquid Crystal ◽  
Photonic Bandgaps ◽  
Phase Liquid ◽  
Blue Phase

A polarisation-independent blue-phase liquid crystal lens array using gradient electrodes

2017 ◽  
Vol 45 (5) ◽  
pp. 715-720 ◽  
Author(s):  
Fan Chu ◽  
Hu Dou ◽  
Gui-Peng Li ◽  
Ya-Li Song ◽  
Lei Li ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Lens Array ◽  
Phase Liquid ◽  
Blue Phase ◽  
Liquid Crystal Lens
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