Robust authentication through stochastic femtosecond laser filament induced scattering surfaces

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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
Issue number21
Publication statusPublished - 23 May 2016


ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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