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  Lessons from nature: biomimetic subwavelength structures for high-performance optics

Brunner, R., Sandfuchs, O., Pacholski, C., Morhard, C., & Spatz, J. P. (2012). Lessons from nature: biomimetic subwavelength structures for high-performance optics. Laser & Photonics Reviews, 6(5), 641-659. doi:10.1002/lpor.201100011.

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 Creators:
Brunner, Robert, Author
Sandfuchs, Oliver, Author
Pacholski, Claudia1, 2, Author              
Morhard, Christoph1, Author              
Spatz, Joachim P.1, 2, Author              
Affiliations:
1Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_2364731              
2Biophysical Chemistry, Institute of Physical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany, ou_persistent22              

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Free keywords: Micro- and nanostructured optics, manufacturing technologies, top-down and bottom-up lithography, subwavelength structuring, moth-eye structures, self-assembly, bionics and biomimetic concepts.
 Abstract: In nature, optical structures in the subwavelength range have been evolved over millions of years. For example, in the form of ‘moth-eye’ structures they show a strong antireflective effect on the compound eyes of night-active insects and therefore offer a successful protection over predators. In this contribution the advantages and challenges to transfer this natural concept of subwavelength structured optical interfaces to high-end optical systems are discussed. Here, in comparison to alternative conventional multilayer systems, the bioinspired antireflective structures offer a wide wavelength range and a broad angle dependency. Additionally, adhesion problems are reduced drastically. Simultaneously to the theoretical consideration of the best profile form of the subwavelength structures, appropriate realization technologies have been developed in recent years, where both top-down and bottom-up approaches have been investigated. Depending on the choice of the structuring technique, anti-reflective subwavelength structures are applicable to a wide spectrum of optical elements ranging from micro-optical components to aspheres for applications in imaging and also illumination setups of high-end optical instruments.

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Language(s): eng - English
 Dates: 2011-09-162011-02-172011-12-022012-09-01
 Publication Status: Published in print
 Pages: 19
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 627721
DOI: 10.1002/lpor.201100011
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Title: Laser & Photonics Reviews
Source Genre: Journal
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Pages: - Volume / Issue: 6 (5) Sequence Number: - Start / End Page: 641 - 659 Identifier: Other: 1863-8899
CoNE: https://pure.mpg.de/cone/journals/resource/1863-8899