Abstract
A liquid crystal (LC) microlens for obtaining an erect image is designed using LC director orientation simulation and ray tracing, where relationships between LC material and structural parameters of the double-layered LC microlens cell and its optical properties are calculated. Then, the double-layered LC microlens is fabricated based on the simulation results. The dependence of the working distance on the magnification of the image is discussed experimentally and theoretically. An erect image of unit magnification with a designed working distance is obtained by the double-layered structure. Lens properties such as magnification are continuously controlled and image direction can be switched by changing the voltage applied to the LC microlens cell.
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