Fourier-plane encryption technique based on removing the effect of phase terms in a joint transform correlator
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We propose a Fourier-plane encryption technique based on a joint transform correlator (JTC). The technique is based on removing the effect of phase terms in JTC and the auto-correlation terms contribute to reconstructing the original image. Computer simulations and optical experiments show the proposed method is very useful for JTC architecture.
Key wordsoptical security system optical encryption joint transform correlator spatial light modulator square lawdevice computer generated hologram
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