期刊
OPTICS EXPRESS
卷 28, 期 4, 页码 4973-4987出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.382472
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- Deutsche Forschungsgemeinschaft [EXC1086, WA1657/6-1, WA1657/6-2]
- Albert-Ludwigs-Universitat Freiburg
We present a highly compact and fast varifocal lens with aspherical tunability based on an active piezo-glass-piezo sandwich membrane. Using an optimized geometry, improved fabrication and compliant elastomer structures together with an index-matched optical fluid, we achieved an outer diameter of just 9 mm (10 mm packaged) for a clear aperture of 7.6 mm. The range of the focal power was -7 m(-1) to +6 m(-1), with a wavefront error around 100 nm and a response time between 0.1 and 0.15 ms. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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