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 journalArticlepeer-review

75 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 languageEnglish
Pages (from-to)4788-4793
Number of pages6
JournalApplied Optics
Volume39
Issue number26
DOIs
StatePublished - 10 Sep 2000

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