9 February 2009 Tunable focal length of flat lens based on electro-optic effect
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The controllable focusing property of a flat lens is investigated by changing the external voltage. The tunability is introduced based on electro-optical effect. The flat lens is a slab of photonic crystal composed of air cylinders in electro-optic material background. The results demonstrate that focusing can be achieved by the flat photonic crystal slab. Moreover, the focal length of the flat lens can be tuned continuously by the applied voltage, which might have potential applications in photoelectric devices.
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Kun Ren, Kun Ren, Xiao Ren, Xiao Ren, Mingyang Liu, Mingyang Liu, } "Tunable focal length of flat lens based on electro-optic effect", Proc. SPIE 7158, 2008 International Conference on Optical Instruments and Technology: Microelectronic and Optoelectronic Devices and Integration, 71581O (9 February 2009); doi: 10.1117/12.806944; https://doi.org/10.1117/12.806944

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