Theory and experimental results of a dual-axis joint-Fourier-transform (JFT) optical correlator are reported. The correlator is capable of recording large-carrier-frequency holograms of signals with a large space-bandwidth product. Experimental demonstration is carried out using the thermoplastic device as the JFT hologram-recording medium.
Because of its alterability and stability, an MnBi thin film is a potential candidate for the storage medium in a read-write-erase in situ holographic optical memory. The conditions and the physical mechanism of holographic storage will be discussed, together with experimental results. A simple holographic memory system will be proposed which uses the same write-in reference beam for readout beam.
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