Published in
Frontiers in Optics + Laser Science 2021, 2021
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Femtosecond Laser Assisted Fabrication of Nanopatterned Fluorescent Quick Response Code for Anti-counterfeiting Application
Proceedings article published in 2021 by
Gaurav Pratap Singh,
Arun Jaiswal 
,
Sweta Rani,
Sumit Saxena,
Shobha Shukla
,
Sweta Rani,
Sumit Saxena,
Shobha Shukla
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Abstract
We demonstrate femtosecond laser based fabrication of unclonable micro-quick response code with fluorescent attributes for anti-counterfeiting applications. 3D nano-features in the codes provides security against duplication.