Abstract
We demonstrated an electrically controllable Fresnel lens with polarization-independence based on a liquid crystal. The polarization-independence of the Fresnel lens was obtained in an orthogonally aligned hybrid configuration between two adjacent zones. The Fresnel lens was fabricated using a single-masking process of the ultraviolet exposure for the photo-alignment of the LC. The polarization-independence and the electrical tunability of the Fresnel lens were analyzed at the different polarization states of an incident light as a function of the applied voltage.
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