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Microoptical Artificial Compound Eyes

  • Andreas BrücknerEmail author
  • Jacques Duparré
  • Frank Wippermann
  • Peter Dannberg
  • Andreas Bräuer
Chapter

Abstract

The cost–benefit ratio of miniaturized single aperture eyes underlies certain limitations, so that evolution led to the development of multi-aperture eyes in case of tiny creatures like invertebrates. Physical constraints, which also apply for the miniaturized artificial imaging systems, make this natural evolutionary path comprehensible. Shrinking down to a sub-millimeter range, the use of parallel imaging with multi-aperture systems is crucial. In this domain, microoptical design approaches and fabrication techniques are the solution of choice. This technology allows the realization of cost-efficient miniaturized imaging systems with sub-micron precision by means of photolithography and replication. The approaches proposed here are mainly inspired by insect vision in nature, although they are bound to planar substrates.

Keywords

Microlens Array Acceptance Angle Lens Array Pitch Difference Sampling Angle 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

We would like to thank Sylke Kleinle, Andre Matthes, Antje Oelschläger, and Simone Thau from the Fraunhofer Institute for Applied Optics and Precision Engineering (IOF), Jena, for their contributions to the fabrication of the various types of artificial apposition compound eye objectives using microoptics technology. Special thanks is dedicated to Reinhard Völkel from SUSS MicroOptics SA (Neuchâtel, Switzerland) for his inspiring previous work and helpful discussions about bio-inspired imaging. The experience of Martin Eisner (also SUSS MicroOptics) in aligned stacking of microlens array wafers finally led to the realization of the cluster eye. We are furthermore very thankful for the help we got from our colleagues from the Institute of Microtechnology (IMT) of the University of Neuchâtel, Switzerland, especially Toralf Scharf who took very important steps in the fabrication of the lens- and aperture arrays of the cluster eye. The presented work was partly funded by the German Federal Ministry of Education and Research (BMBF) within the project “Extremely compact imaging systems for automotive applications” (FKZ: 13N8796).

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Andreas Brückner
    • 1
    Email author
  • Jacques Duparré
    • 1
  • Frank Wippermann
    • 1
  • Peter Dannberg
    • 1
  • Andreas Bräuer
    • 1
  1. 1.Fraunhofer Institute for Applied Optics and Precision EngineeringJenaGermany

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