Wavelength multiplexing multiple-image encryption using cascaded phase-only masks in the Fresnel transform domain.


We propose a method of wavelength multiplexing based on a modified Gerchberg-Saxton algorithm (MGSA) and a cascaded phase modulation scheme in the Fresnel transform domain to reduce the cross talk in the multiple-image-encryption framework. First, each plain image is encoded to a complex function by using the MGSA. Next, the phase components of the created… (More)
DOI: 10.1364/AO.50.000710


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