Parallel Logic By Spatial Filtering

A. W. Lohmann; J. Weigelt

doi:10.1117/12.964011

13 February 1986 Parallel Logic By Spatial Filtering

A. W. Lohmann, J. Weigelt

Proceedings Volume 0634, Optical and Hybrid Computing; (1986) https://doi.org/10.1117/12.964011
Event: Optical and Hybrid Computing, 1986, Leesburg, United States

Abstract

Spatial filtering is one of the main assets of optics for information processing. We use spatial filtering for performing many logic operations simultaneously. The input data are arranged in matrix form. The type of operation is usually homogeneous across the matrix. The input is characterized as diffracting, as scattering or as birefringent structure. Specific issues to be addressed here are: incoherent inputs; inhomogeneous programming; simultaneous performance of several operations on all data, for example XOR and AND as parts of a half-adder; utilization of polarization.

Citation Download Citation

A. W. Lohmann and J. Weigelt "Parallel Logic By Spatial Filtering", Proc. SPIE 0634, Optical and Hybrid Computing, (13 February 1986); https://doi.org/10.1117/12.964011

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