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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 3 — Feb. 1, 2007
  • pp: 223–225

Simple phase-only optical decryption with misalignment-free input

Tien Viet Vu, Nam Kim, and Chang-Seup Nam  »View Author Affiliations

Optics Letters, Vol. 32, Issue 3, pp. 223-225 (2007)

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An improved optical decryption system based on kinogram encoding is proposed. The decrypted phase image is obtained by optically descrambling the encrypted image with the decrypting phase key. Only a single Fourier lens is needed to generate intensity patterns from the decrypted phase image. The design and simulation results have confirmed the proposed technique as a novel, simple, and robust decryption architecture.

© 2007 Optical Society of America

OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(090.1760) Holography : Computer holography
(100.1390) Image processing : Binary phase-only filters
(120.5060) Instrumentation, measurement, and metrology : Phase modulation

ToC Category:
Fourier Optics and Optical Signal Processing

Original Manuscript: August 23, 2006
Revised Manuscript: October 16, 2006
Manuscript Accepted: October 19, 2006
Published: January 12, 2007

Tien Viet Vu, Nam Kim, and Chang-Seup Nam, "Simple phase-only optical decryption with misalignment-free input," Opt. Lett. 32, 223-225 (2007)

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