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25 April 2006 Numerical analysis of systematic errors in an optical encryption system
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We consider a double random phase encoding Encryption/Decryption system in which the image encryption/decryption process is performed numerically. In this paper we look at the effect of quantisation in the decryption process due to the discrete values which a spatial light modulator can display. We look at the characterisation of a transmissive spatial light modulator and we present results from simulations of the system.
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David S. Monaghan, Unnikrishnan Gopinathan, Damien P. Kelly, Thomas J. Naughton, and John T. Sheridan "Numerical analysis of systematic errors in an optical encryption system", Proc. SPIE 6187, Photon Management II, 61870X (25 April 2006);

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