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. 2017 Jul 28;6(7):e17017. doi: 10.1038/lsa.2017.17

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Copyright © 2017 The Author(s)

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/

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Optical response at oblique incidences. (a–c) Reflection intensity as a function of wavelength and reflection angle for various incidence angles: (a) , (b) , and (c) . (d) Reflection angle versus incidence angle under excitation at a wavelength of nm. The purple dashed curve represents theoretical calculations of the anomalous dispersion based on the generalized reflection law, and the colors of the symbols indicate the normalized routing efficiency extracted from the experimental data. Inset: reflection angle versus incidence angle for ordinary reflection at an excitation wavelength of nm. A positive (negative) sign on the angles corresponds to the right (left) side of the normal axis.

Inline graphic — Optical response at oblique incidences. (a–c) Reflection intensity as a function of wavelength and reflection angle for various incidence angles: (a) , (b) , and (c) . (d) Reflection angle versus incidence angle under excitation at a wavelength of nm. The purple dashed curve represents theoretical calculations of the anomalous dispersion based on the generalized reflection law, and the colors of the symbols indicate the normalized routing efficiency extracted from the experimental data. Inset: reflection angle versus incidence angle for ordinary reflection at an excitation wavelength of nm. A positive (negative) sign on the angles corresponds to the right (left) side of the normal axis.