Robust authentication through stochastic femtosecond laser filament induced scattering surfaces
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© 2016 Author(s). We demonstrate a reliable authentication method by femtosecond laser filament induced scattering surfaces. The stochastic nonlinear laser fabrication nature results in unique authentication robust properties. This work provides a simple and viable solution for practical applications in product authentication, while also opens the way for incorporating such elements in transparent media and coupling those in integrated optical circuits.
author list (cited authors)
Zhang, H., & Tzortzakis, S.