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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 5 — Mar. 1, 2003
  • pp: 304–306

Interferometric phase-only optical encryption system that uses a reference wave

Dong-Hoan Seo and Soo-Joong Kim  »View Author Affiliations


Optics Letters, Vol. 28, Issue 5, pp. 304-306 (2003)
http://dx.doi.org/10.1364/OL.28.000304


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Abstract

An improved image decryption system is proposed that is based on phase-encoded images and the principle of interference and uses a reference wave. A novel technique for generating intensity patterns from the decrypted phase information consists simply of interfering a reference wave with the wave passing through the encrypted image and a phase-only decrypting key. Optical experiments have confirmed the proposed technique as a simple and robust architecture for optical encryption.

© 2003 Optical Society of America

OCIS Codes
(070.4560) Fourier optics and signal processing : Data processing by optical means
(100.1160) Image processing : Analog optical image processing
(100.1390) Image processing : Binary phase-only filters
(100.3010) Image processing : Image reconstruction techniques
(120.3180) Instrumentation, measurement, and metrology : Interferometry

Citation
Dong-Hoan Seo and Soo-Joong Kim, "Interferometric phase-only optical encryption system that uses a reference wave," Opt. Lett. 28, 304-306 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-5-304

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