Counterfeit Money Detection by Intrinsic Fluorescence Lifetime

Michael J. Levene; Thomas Chia

doi:10.1364/CLEO_APPS.2010.AWA1

Conference on Lasers and Electro-Optics 2010
OSA Technical Digest (CD) (Optica Publishing Group, 2010),
paper AWA1
•https://doi.org/10.1364/CLEO_APPS.2010.AWA1

Counterfeit Money Detection by Intrinsic Fluorescence Lifetime

Michael J. Levene and Thomas Chia

Conference on Lasers and Electro-Optics: Applications 2010

San Jose, California United States
16–21 May 2010
ISBN: 978-1-55752-889-6

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M. J. Levene and T. Chia, "Counterfeit Money Detection by Intrinsic Fluorescence Lifetime," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optica Publishing Group, 2010), paper AWA1.

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Abstract

Genuine U.S. Federal Reserve Notes have a consistent, two-component intrinsic fluorescence lifetime. We used scanning two-photon laser excitation and the time-correlated single photon counting method to identify three different types of counterfeit U.S. paper money.

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