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Nanostructured stealth surfaces for visible and near-infrared light

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Diao,  Zhaolu
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
Biophysical Chemistry, Institute of Physical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany;

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Dirks,  Jan-Henning
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

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Spatz,  Joachim P.
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
Biophysical Chemistry, Institute of Physical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany;

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Citation

Diao, Z., Kraus, M., Brunner, R., Dirks, J.-H., & Spatz, J. P. (2016). Nanostructured stealth surfaces for visible and near-infrared light. Nano Letters, 16(10), 6610-6616. doi:10.1021/acs.nanolett.6b03308.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002C-A9F3-4
Abstract
So far, all previous attempts to apply nanostructures for perfect transmission have not achieved maximum transmittance beyond 99.5% due to the limited regularity of the nanoscale surface geometry: too low for many high-end applications. Here we demonstrate a nanostructured stealth surface, with minimal reflectance (<0.02%) and maximal transmittance (>99.8%) for a wavelength range, covering visible and near-infrared. Compared to multilayer thin film coatings for near-infrared applications our antireflective surfaces operate within a much broader wavelength range, are mechanical stable to resist human touch or contamination, show a 44% higher laser-induced damage threshold, and are suitable for bended interfaces such as microlenses as well.