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Electrically tunable liquid crystal lens with a serpentine electrode design.

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The design and operational principle of a new electrically tunable gradient index liquid crystal lens are described. The approach is based on linear serpentine electrodes and does not require a… Click to show full abstract

The design and operational principle of a new electrically tunable gradient index liquid crystal lens are described. The approach is based on linear serpentine electrodes and does not require a semiconductor layer. A preliminary validation is done for a lens with a 2 mm clear aperture, demonstrating 9.5 diopters of optical power and a root-mean-square wavefront error of 0.16 µm. The developed lens is tested with a miniature camera and the image quality improvement is demonstrated experimentally.

Keywords: electrically tunable; tunable liquid; liquid crystal; crystal lens; design; lens serpentine

Journal Title: Optics letters
Year Published: 2022

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