1 April 1973 A Fibre-Optics Matrix For A Multi-Channel Correlator
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Proceedings Volume 0031, Fiber Optics Comes of Age III; (1973); doi: 10.1117/12.953580
Event: Fiber Optics Come of Age, 1972, San Mateo, United States
Abstract
With the introduction of communications theory and allied studies of random data and the engineers' increasing understanding of these fields the demand for wideband multichannel correlators is increasing rapidly (Ref. 1). Correlation techniques most commonly used today employ either dig-ital computers, coherent-optical correlators or an application of one of the nonlinear characteristics of semi-conductor devices. At present, however, no wholly satisfactory method of simulataneously correlating a large number of wide-band signals has been found; systems developed for this purpose suffer from one or more draw-backs, viz: phisical instability, slow operation, narrow bandwidth or lack of isolation between channels.
© (1973) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
N.A. M. Mackay, M. G. Dohler, "A Fibre-Optics Matrix For A Multi-Channel Correlator", Proc. SPIE 0031, Fiber Optics Comes of Age III, (1 April 1973); doi: 10.1117/12.953580; https://doi.org/10.1117/12.953580
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KEYWORDS
Optical correlators

Imaging systems

Imaging arrays

Beam splitters

Photodetectors

Light emitting diodes

Linear filtering

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