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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 17 — Jun. 10, 2001
  • pp: 2860–2863

Decomposition storage of information based on computer-generated hologram interference and its application in optical image encryption

Yongkang Guo, Qizhong Huang, Jinglei Du, and Yixiao Zhang  »View Author Affiliations


Applied Optics, Vol. 40, Issue 17, pp. 2860-2863 (2001)
http://dx.doi.org/10.1364/AO.40.002860


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Abstract

An information-encryption method based on computer-generated hologram (CGH) interference is presented. In this method the original information is decomposed into two parts, and then each part is encoded on a separate CGH. When these two encoded CGHs are aligned and illuminated, a combined interference pattern is formed. The original information is obtained from this pattern. It is impossible to decrypt the original information from one CGH alone; two matched CGHs must be put together to make it available.

© 2001 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(200.3050) Optics in computing : Information processing

History
Original Manuscript: March 21, 2000
Revised Manuscript: December 19, 2000
Published: June 10, 2001

Citation
Yongkang Guo, Qizhong Huang, Jinglei Du, and Yixiao Zhang, "Decomposition storage of information based on computer-generated hologram interference and its application in optical image encryption," Appl. Opt. 40, 2860-2863 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-17-2860

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