3 years ago

A multifunctional blue phase liquid crystal lens based on multi-electrode structure

A multifunctional blue phase liquid crystal lens based on multi-electrode structure
Hu Dou, Fan Chu, Qiong-Hua Wang, Ya-Li Song, Gui-Peng Li

A blue phase liquid crystal (BPLC) lens with multifunction using multi-electrode structure and a dielectric layer with high dielectric constant is proposed. The refractive index of the BPLC can be changed flexibly in different regions. Some functional or technical requirements such as switch between positive and negative lenses can be achieved. The lens reveals a good parabolic refractive index distribution and focus adjustment capacity simultaneously. The applied voltage on the electrodes is regular and computable. To decrease the applied voltage of the proposed lens with a large diameter, a drive-type adopted Fresnel lens is introduced.

Publisher URL: http://www.tandfonline.com/doi/full/10.1080/02678292.2017.1355988

DOI: 10.1080/02678292.2017.1355988

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