Elastomeric lenses with tunable astigmatism

查看全文 作　　者：Peter [1]Liebetraut;Sebastian [1]Petsch;Jens [1]Liebeskind;Hans [1]Zappe

机构地区：[1]Gisela and Erwin Sick Chair of Micro-optics,Department of Microsystems Engineering,University of Freiburg,Freiburg 79110,Germany

出　　处：《Light(Science & Applications)》索引2013年第2卷第1期,共6页

基　　金：This work was funded by the German Science Foundation within the framework of the Priority Program 1337 Aktive Mikrooptik;The authors thank Philipp Muller and the Laboratory for Biomedical Technology at IMTEK for coating the master lenses. 摘　　要：Microlenses fabricated using flexible elastomers can be tuned in focal length by application of controlled strain.By varying the strain azimuthally,the lenses may be deformed asymmetrically such that aberrations may be controlled.This approach is used to tune the astigmatism of the tunable lenses,and it is shown that the generated wavefront may be accurately controlled.The lens presented here has an initial focal length of 32.6 mm and a tuning range of 12.3 mm for approximately 10%applied strain.The range of directly tunable Zernike polynomials representing astigmatism is about 3 mm,while the secondary lens errors,which cannot be tuned directly,vary only by about 0.2 mm. 关键词：ABERRATIONS active or adaptive optics micro-optical devices POLYMERS

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Elastomeric lenses with tunable astigmatism

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