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A Compact, Large-Aperture Tunable Lens with Adaptive Spherical Correction

机译:具有自适应球面校正功能的紧凑型大光圈可调透镜

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In this paper, we present the proof of concept a very fast adaptive glass membrane lens with a large aperture/diameter ratio, spherical aberration correction and integrated actuation. The membrane is directly deformed using two piezo actuators that can tune the focal length and the conical parameter. This operating principle allows for a usable aperture of the whole membrane diameter. Together with the efficient actuation mechanism, the aperture is around 2/3 of the total system diameter -- at a thickness of less than 2mm. The response time is a few milliseconds at 12mm aperture, which is fast compared to similar systems.
机译:在本文中,我们提出了具有大光圈/直径比,球面像差校正和集成驱动的非常快速的自适应玻璃膜片的概念验证。使用两个可以调节焦距和圆锥参数的压电致动器直接使膜变形。该操作原理允许整个膜直径的可用孔径。与有效的致动机制一起,孔径约为系统总直径的2/3-厚度小于2mm。孔径为12mm时,响应时间为几毫秒,与同类系统相比,响应时间更快。

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