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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 25, Iss. 8 — Apr. 15, 2000
  • pp: 566–568

Phase-only optical encryption

Paul C. Mogensen and Jesper Glückstad  »View Author Affiliations


Optics Letters, Vol. 25, Issue 8, pp. 566-568 (2000)
http://dx.doi.org/10.1364/OL.25.000566


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Abstract

We have implemented a phase-only optical encryption and decryption system with a readout based on the generalized phase-contrast method. The experimental system has been implemented with liquid-crystal spatial light modulators to generate binary phase-encrypted masks and a decrypting key. A phase-contrast filter is used to display the phase information.

© 2000 Optical Society of America

OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(100.1160) Image processing : Analog optical image processing
(100.5090) Image processing : Phase-only filters
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(230.3720) Optical devices : Liquid-crystal devices
(230.6120) Optical devices : Spatial light modulators

Citation
Paul C. Mogensen and Jesper Glückstad, "Phase-only optical encryption," Opt. Lett. 25, 566-568 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-8-566

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