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      Focal tunable liquid lens integrated with an electromagnetic actuator

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      Applied Physics Letters

      AIP Publishing

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          Variable-focus liquid lens for miniature cameras

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            Tunable-focus flat liquid crystal spherical lens

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              Integrated fluidic adaptive zoom lens.

              An integrated fluidic adaptive zoom lens is demonstrated for what is believed to be the first time. A zoom lens was fabricated using an UV lithographic-galvanic-like process involving soft lithography and wafer bonding. The zooming capability of such a lens was achieved by varying the focal length instead of the distance between the lenses. A zoom ratio of greater than 2 was obtained for devices that are 8 mm thick and have a 20-mm lens diameter. Including the 30-mm image distance, the total physical length of the fluidic zoom lens was less than 43 mm. More-compact systems with a higher zoom ratio can be obtained by reduction of the aperture size.
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                Author and article information

                Journal
                Applied Physics Letters
                Appl. Phys. Lett.
                AIP Publishing
                0003-6951
                1077-3118
                March 19 2007
                March 19 2007
                : 90
                : 12
                : 121129
                Article
                10.1063/1.2716213
                © 2007
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