Unclonable human-invisible machine vision markers leveraging the omnidirectional chiral Bragg diffraction of cholesteric spherical reflectors

Autor: Hakam Agha, Yong Geng, Xu Ma, Deniz Işınsu Avşar, Rijeesh Kizhakidathazhath, Yan-Song Zhang, Ali Tourani, Hriday Bavle, Jose-Luis Sanchez-Lopez, Holger Voos, Mathew Schwartz, Jan P. F. Lagerwall
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Light: Science & Applications, Vol 11, Iss 1, Pp 1-19 (2022)
Druh dokumentu: article
ISSN: 2047-7538
DOI: 10.1038/s41377-022-01002-4
Popis: Cholesteric Spherical Reflectors (CSRs) are omnidirectional retroreflectors that are selective in circular polarization and wavelength, enabling human-invisible fiducial markers for applications in robotics, augmented reality, anti-counterfeiting, circular economy and more
Databáze: Directory of Open Access Journals