2022
DOI: 10.1364/ao.452223
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Liquid crystal microlens array with positive and negative focal lengths based on a patterned electrode

Abstract: A liquid crystal microlens array (LCMLA) with positive and negative focal lengths based on a ring-array patterned electrodes is demonstrated. By carefully designing patterned electrodes with a circular electrode array area and outer ring electrode region area, the switching of the positive and negative lens effect can be easily achieved in a single cell. A positive lens effect appeared when the voltage was applied to the outer ring electrode region and the top substrate. The focal… Show more

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