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|Title:||Liquid tunable lens integrated with a rotational symmetric surface for long depth of focus|
|Source:||Kang, J.,Yu, H.,Chen, H. (2010-10-01). Liquid tunable lens integrated with a rotational symmetric surface for long depth of focus. Applied Optics 49 (28) : 5493-5500. ScholarBank@NUS Repository. https://doi.org/10.1364/AO.49.005493|
|Abstract:||A liquid tunable lens with an extended depth of focus (DOF) is proposed. By integrating a phase plate with rotational symmetric quartic function (QF) contour into the liquid lens cavity, the lens can achieve higher tolerance to the defocus aberration. The liquid lens was fabricated with a convenient and low-cost process that combined single-point diamond turning (SPDT) with soft lithography using polydimethylsiloxane (PDMS). Experimental results demonstrate that both focal length tunability and extended DOF can be achieved with the proposed liquid lens. © 2010 Optical Society of America.|
|Source Title:||Applied Optics|
|Appears in Collections:||Staff Publications|
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