Title: Optical and digital techniques for information security
Subjects: Information storage and retrieval systems, Optical data processing, Security measures, Computer security, Physics, Electromagnetism, Laser physics, Physical optics, Microwaves, Applied Optics, Optoelectronics, Optical Devices, Optics and Lasers Electromagnetism, Photonics Laser Technology and Physics, RF and Optical Engineering Microwaves