Volume hologram with random encoded reference beam for secure data encryption

Vladimir B. Markov; David C. Weber; James D. Trolinger

doi:10.1117/12.382196

7 April 2000 Volume hologram with random encoded reference beam for secure data encryption

Vladimir B. Markov, David C. Weber, James D. Trolinger

Proceedings Volume 3973, Optical Security and Counterfeit Deterrence Techniques III; (2000) https://doi.org/10.1117/12.382196
Event: Electronic Imaging, 2000, San Jose, CA, United States

Abstract

A method is presented to store biometric and/or other important information on an ID card in the form of a Card Hologram that cannot be read or duplicated without the use of a special Key Hologram that is secured inside of an automated reader. The Key Hologram produces the unique wavefront required to release the information contained in a complex, 3D diffraction pattern recorded in a volume hologram attached to the card. Experimental results are presented in which the image of an Air Force resolution target are recorded and reconstructed in a volume material using a random speckle wavefront and that cannot be viewed using a simple wavefront such as a collimated or diverging laser beam.

Citation Download Citation

Vladimir B. Markov, David C. Weber, and James D. Trolinger "Volume hologram with random encoded reference beam for secure data encryption", Proc. SPIE 3973, Optical Security and Counterfeit Deterrence Techniques III, (7 April 2000); https://doi.org/10.1117/12.382196

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