Robust authentication through stochastic femtosecond laser filament induced scattering surfaces

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Abstract

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.

Original languageEnglish
Article number211107
JournalApplied Physics Letters
Volume108
Issue number21
DOIs
Publication statusPublished - 23 May 2016

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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