2015
DOI: 10.3807/josk.2015.19.1.088
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Liquid Crystal Lens Array with Thermally Controllable Focal Length and Electrically Convertible Lens Type

Abstract: This paper reports the fabrication of a lenticular liquid crystal (LC) lens array with thermally tunable focus and with the function of a convertible lens type, using the surface structure of a UV-curable polymer and a twisted-nematic (TN) LC cell. The TN LC cell makes the LC lenticular lens function as a converging or diverging lens by controlling electrically the polarization of input light. Therefore, the focal lengths for both the converging and diverging lenses, which can be switched from the TN cell, can… Show more

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