Muravsky, L.I.; Kulynych, Ya.P.; Maksymenko, O.P.; Voronyak, T.I.; Pogan, L.Y.; Vladimirov, F.L.; Kostyukevych, S.A.; Fitio, V.M.
(Semiconductor Physics Quantum Electronics & Optoelectronics, 2002)
Performance of optical and hybrid joint transform correlators (JTCs) for security verification of optical marks containing transformed phase masks (PMs) is studied. The peak-to-noise ratio (PNR) and relative intensity of ...