Complex Fresnel field retrieved from a digital off-axis Fresnel hologram is encrypted. Object information is directly decrypted in a single step. The noisy nature of the Fresnel field is helpful for single random phase encoding.
© 2006 Optical Society of America
(100.0100) Image processing : Image processing
(100.6890) Image processing : Three-dimensional image processing
(200.0200) Optics in computing : Optics in computing
(200.3050) Optics in computing : Information processing
A. Nelleri, J. Joseph, and K. Singh, "Securing Holographic Three-Dimensional Information by Digital Fresnel Field Encryption," in Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2006), paper FWI6.