Polarization-independent blue-phase liquid-crystal gratings driven by vertical electric field

被引：43

作者：

Zhu, Ge ^{[1
,2
]}

Li, Jia-nan ^{[1
,2
]}

Lin, Xiao-wen ^{[1
,2
]}

Wang, Hai-feng ^{[4
]}

Hu, Wei ^{[1
,2
]}

Zheng, Zhi-gang ^{[4
,5
]}

Cui, Hong-qing ^{[3
]}

Shen, Dong ^{[4
]}

Lu, Yan-qing ^{[1
,2
]}

机构：

[1] Nanjing Univ, Coll Engn & Appl Sci, Nanjing 210093, Jiangsu, Peoples R China

[2] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China

[3] Infovis Optoelect Corp, LCD R&D Ctr, Kunshan, Peoples R China

[4] E China Univ Sci & Technol, Dept Phys, Shanghai 200237, Peoples R China

[5] E China Univ Sci & Technol, Ctr Mat Sci, Shanghai 200237, Peoples R China

来源：

JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY | 2012年 / 20卷 / 06期

关键词：

Liquid-crystal grating; blue phase; vertical field; polarization independent; VARIABLE OPTICAL ATTENUATOR; POLYMER;

D O I：

10.1889/JSID20.6.341

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A blue-phase liquid-crystal grating is proposed by applying a vertical electric field with lateral periodic distribution. Simulation on electric-field distribution was also carried out, the results of which suggest the alternation of isotropic and ordinary refractive indices in the lateral direction. Through the electrode configuration design, both 1 D and 2D gratings were demonstrated with high transmittance of ca. 85%. The diffraction efficiency of the first order reached up to 38.7% and 1 7.8% for the 1D and 2D cases, respectively. The field-induced fast phase modulation permits a rapid switching of diffraction orders down to the submillisecond scale.

引用

页码：341 / 346

页数：6

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