TagsOptical coherence tomography
Tag: optical coherence tomography
Authentication technique composite substrates
Composite substrates that contain paper and polymer layers with the same thickness as traditional security paper are novel options for security documents, and unique...
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Infrared ink
When checking a document with the use of infrared light, text and/or images in or on the substrate become either visible or invisible, depending...
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Keesing Journal 13
General interest:
Passports: a world tour
A new symbol for instant recognition
Optical Document Security, Third Edition
Cases analysed:
RFID Privacy in ID and travel...