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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 21, Iss. 16 — Aug. 15, 1996
  • pp: 1271–1273

Phase encryption of biometrics in diffractive optical elements

E. G. Johnson and J. D. Brasher  »View Author Affiliations


Optics Letters, Vol. 21, Issue 16, pp. 1271-1273 (1996)
http://dx.doi.org/10.1364/OL.21.001271


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Abstract

A new technique for the optical encoding of images is presented. The method of generalized projections is used to design diffractive optical elements for the phase encryption of biometrics for security applications. The encryption algorithm converges rapidly, and the decryption is seen to be secure and tolerant to additive noise.

© 1996 Optical Society of America

History
Original Manuscript: March 11, 1996
Published: August 15, 1996

Citation
E. G. Johnson and J. D. Brasher, "Phase encryption of biometrics in diffractive optical elements," Opt. Lett. 21, 1271-1273 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-16-1271

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