Binary Logic By Spatial Filtering

Adolf W. Lohmann; Jutta Weigelt

doi:10.1117/12.939905

11 August 1987 Binary Logic By Spatial Filtering

Adolf W. Lohmann, Jutta Weigelt

Proceedings Volume 0752, Digital Optical Computing; (1987) https://doi.org/10.1117/12.939905
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Spatial filtering is one of the main assets of optics for information processing. Here we review spatial filtering methods for performing binary logic operations. Many pairs of bits can be processed simultaneously. The input data are arranged in matrix form. The type of operation is usually homogeneous across the matrix. The input is encoded as a diffracting, as a scattering, or as a birefringent structure. Experimental results are shown. Applications of a described method for an optical adder are presented.

Citation Download Citation

Adolf W. Lohmann and Jutta Weigelt "Binary Logic By Spatial Filtering", Proc. SPIE 0752, Digital Optical Computing, (11 August 1987); https://doi.org/10.1117/12.939905

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