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. 2020 Sep 9;10:14804. doi: 10.1038/s41598-020-71233-1

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Eye tracking demonstrator (a) schematic of the overall system depicting the artificial eye (A) on which the cyclops lens is mounted, the servo-motor (F) and associated micro-controller (E) to control the eye direction, the eyewear (D) with the primary antenna, the beam splitter (B) reflecting the VCSEL beam (represented by a solid red line) towards the IR camera (C) (mounted on top of the eyewear). (b) A photo of the prototype.