DocumentCode
520509
Title
Counterfeit money detection by intrinsic fluorescence lifetime
Author
Levene, Michael J. ; Chia, Thomas
Author_Institution
Dept. of Biomed. Engieering, Yale Univ., New Haven, CT, USA
fYear
2010
fDate
16-21 May 2010
Firstpage
1
Lastpage
2
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.
Keywords
Biomedical measurements; Bleaching; Cotton; Counterfeiting; Fluorescence; Lifetime estimation; Microscopy; Optical imaging; Printing; Testing;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location
San Jose, CA, USA
Print_ISBN
978-1-55752-890-2
Electronic_ISBN
978-1-55752-890-2
Type
conf
Filename
5500092
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