Elastomeric lenses with tunable astigmatism

Peter Liebetraut; Sebastian Petsch; Jens Liebeskind; Hans Zappe

doi:10.1038/lsa.2013.54

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Elastomeric lenses with tunable astigmatism

Original Articles

- Elastomeric lenses with tunable astigmatism
- Light: Science & Applications Vol. 2, Issue 3-4, (2013)
- Affiliations：
  
  Gisela and Erwin Sick Chair of Micro-optics, Department of Microsystems Engineering, University of Freiburg, Freiburg 79110, Germany
- Author bio：
  
  Professor H. Zappe, Gisela and Erwin Sick Chair of Micro-optics, Department of Microsystems Engineering, University of Freiburg, Georges-Köhler-Allee 102, 79110 Freiburg, Germany E-mail: zappe@imtek.uni-freiburg.de
- Funds：
- DOI：10.1038/lsa.2013.54
  CLC：
- Published：2013-12，
  
  Published Online：13 September 2013，
  
  Received：06 February 2013，
  
  Revised：28 May 2013，
  
  Accepted：03 June 2013
- Accepted：
Scan QR Code
Liebetraut, P. et al. Elastomeric lenses with tunable astigmatism. Light: Science & Applications, 2, e98 (2013).
DOI：

Liebetraut, P. et al. Elastomeric lenses with tunable astigmatism. Light: Science & Applications, 2, e98 (2013). DOI： 10.1038/lsa.2013.54.

摘要

Abstract

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 +2.3 mm for approximately 10% applied strain. The range of directly tunable Zernike polynomials representing astigmatism is about 3 µm

while the secondary lens errors

which cannot be tuned directly

vary only by about 0.2 µm.

关键词

Keywords

aberrationsactive or adaptive opticsmicro-optical devicespolymers

references

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