Security optical data storage in Fourier holograms

Wei Chia Su, Yu Wen Chen, Yu Jen Chen, Shiuan Huei Lin, Li Karn Wang

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We have proposed and demonstrated a holographic security storage system that is implemented with a shift multiplexing technique. The security function of this storage system is achieved by using a microdiffuser (MD) for random phase encoding of the reference beams. The apparatus of random phase encoding in this system offers an additional and flexible function during the recording processes. The system can generate holographic security memory or nonsecurity holographic memory via using the MD or not. The storage capacity and the average signal-to-noise value of the security storage system are 16 bits/μm 2 and 3.5, respectively. Lateral shifting selectivity in this holographic security storage system is theoretically analyzed and experimentally investigated.

Original languageEnglish
Pages (from-to)1297-1303
Number of pages7
JournalApplied Optics
Volume51
Issue number9
DOIs
Publication statusPublished - 2012 Mar 20

Fingerprint

Optical data storage
Holograms
data storage
Data storage equipment
Multiplexing
coding
multiplexing
selectivity
recording
shift

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

Cite this

Su, W. C., Chen, Y. W., Chen, Y. J., Lin, S. H., & Wang, L. K. (2012). Security optical data storage in Fourier holograms. Applied Optics, 51(9), 1297-1303. https://doi.org/10.1364/AO.51.001297
Su, Wei Chia ; Chen, Yu Wen ; Chen, Yu Jen ; Lin, Shiuan Huei ; Wang, Li Karn. / Security optical data storage in Fourier holograms. In: Applied Optics. 2012 ; Vol. 51, No. 9. pp. 1297-1303.
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Su, WC, Chen, YW, Chen, YJ, Lin, SH & Wang, LK 2012, 'Security optical data storage in Fourier holograms', Applied Optics, vol. 51, no. 9, pp. 1297-1303. https://doi.org/10.1364/AO.51.001297

Security optical data storage in Fourier holograms. / Su, Wei Chia; Chen, Yu Wen; Chen, Yu Jen; Lin, Shiuan Huei; Wang, Li Karn.

In: Applied Optics, Vol. 51, No. 9, 20.03.2012, p. 1297-1303.

Research output: Contribution to journalArticle

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Su WC, Chen YW, Chen YJ, Lin SH, Wang LK. Security optical data storage in Fourier holograms. Applied Optics. 2012 Mar 20;51(9):1297-1303. https://doi.org/10.1364/AO.51.001297