Shift-tolerance property of an optical double-random phase-encoding encryption system

Bor Wang; Ching Cherng Sun; Wei Chia Su; Arthur E.T. Chiou

doi:10.1364/AO.39.004788

Shift-tolerance property of an optical double-random phase-encoding encryption system

Bor Wang, Ching Cherng Sun, Wei Chia Su, Arthur E.T. Chiou

Research output: Contribution to journal › Article › peer-review

81 Scopus citations

Abstract

We investigate the shift-tolerance property of the decrypting phase mask in an optical double-random phase-encoding encryption system. A simple method for improving the shift tolerance of the phase mask is proposed. We demonstrate how the robustness to data loss of the encrypted image extends the shift tolerance of the decrypting phase mask. The signal-to-noise ratio is calculated. Both a computer simulation and an experiment are presented.

Original language	English
Pages (from-to)	4788-4793
Number of pages	6
Journal	Applied Optics
Volume	39
Issue number	26
DOIs	https://doi.org/10.1364/AO.39.004788
State	Published - 10 Sep 2000

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AB - We investigate the shift-tolerance property of the decrypting phase mask in an optical double-random phase-encoding encryption system. A simple method for improving the shift tolerance of the phase mask is proposed. We demonstrate how the robustness to data loss of the encrypted image extends the shift tolerance of the decrypting phase mask. The signal-to-noise ratio is calculated. Both a computer simulation and an experiment are presented.

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Shift-tolerance property of an optical double-random phase-encoding encryption system

Abstract

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