The use of a binary, magneto-optic spatial light modulator as an input device and as a spatial filter in a VanderLugt correlator is investigated. The statistics of the correlation that is obtained when the input image or the spatial filter is thresholded are estimated. Optical correlation using the magneto-optic device at the input and Fourier planes of a VanderLugt correlator is demonstrated experimentally.
Eung G. Paek,
Santosh S. Venkatesh,
"Optical Image Correlation With A Binary Spatial Light Modulator," Optical Engineering 23(6), 236698 (1 December 1984). https://doi.org/10.1117/12.7973366