Open AccessLarge aperture liquid crystal lens array using a composited alignment layer
Author(s) -
Hu Dou,
Fan Chu,
Yuqiang Guo,
LiLan Tian,
QiongHua Wang,
Yubao Sun
Publication year - 2018
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.26.009254
Subject(s) - optics , lens (geology) , liquid crystal , materials science , refractive index , layer (electronics) , focal length , aperture (computer memory) , phase (matter) , optical power , optoelectronics , physics , laser , quantum mechanics , acoustics , composite material
A liquid crystal (LC) lens array with high light control power and a large aperture using a composited alignment layer is proposed. In our design, the alignment layer is not only used for getting a uniform arrangement of LC molecule, but also for getting a lens-like refractive index distribution in the LC layer when a voltage is applied. Through simple technology processes, a tunable focal length LC lens array with a millimeter scale diameter can be achieved. Furthermore, the maximum phase difference of the proposed LC lens array can achieve 105.38π. So, the proposed LC lens array has a high light control power.