Optical Review

, 14:214 | Cite as

Deterministic Phase Encoded Holographic Data Storage Using Lenticular Lens Array

  • Chi Ching Chang
  • Gu Liang Chen
  • Wen Kuei Young
  • Ching Yang Lin
  • Hon Fai Yau
Special Section: The Fifth International Conference on: Optics-Photonics Design & Fabrication “ODF'06, Nara”: Regular Papers

Abstract

This work presents a novel optical holographic encrypted data storage approach based on a phase encoding multiplexed scheme. In the proposed data storage scheme, patterns to be encrypted are stored holographically in a photorefractive LiNbO3:Fe crystal using a lenticular lens array (LLA) sheet phase-encoded multiplexing. Experimental results reveal that rotating an LLA placed as a phase modulator in the path of the reference beam is a simple but effective method of increasing the phase addresses for holographic memory in a crystal. Combining this rotational multiplexing with two-axis rotating multiplexing provides further data storage and data encryption capacity.

Key words

data storage phase encoding lenticular lens array encryption holographic memory 

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Copyright information

© The Optical Society of Japan 2007

Authors and Affiliations

  • Chi Ching Chang
    • 1
  • Gu Liang Chen
    • 2
  • Wen Kuei Young
    • 2
  • Ching Yang Lin
    • 3
  • Hon Fai Yau
    • 3
  1. 1.Department of Computer Science and Information EngineeringMing Dao UniversityChunghuaTaiwan, R.O.C.
  2. 2.School of Defense ScienceNational Defense UniversityTaoyuanTaiwan, R.O.C.
  3. 3.Department of Optics and PhotonicsNational Central UniversityTaoyuanTaiwan, R.O.C.

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