This study presents a liquid lens using electrowetting that employs an oil phase floating in between the conducting fluids. The lens shape has double-sided surfaces and operates with a bias of 0–60 V. The focal length of the lens, with an aperture size of 2 mm, is , and it is converted into an optical power of 172. The lens is sufficient to suppress the fluctuation of fluids due to the external vibration. An image seen through the lens clearly resolves the element better than on USAF 1951 .
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