Two Dimensional Resolution Improvement of an Imageguide by Maximization of Wavelength Multiplexing

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Abstract
This paper describes a new technique for improving the resolution of images transferred through an imageguide. Wavelength multiplexing is used to increase the number of picture elements transferred through the glassfiber in an imageguide. The direction of dispersion used in wavelength multiplexing is controlled in order to maximize the number of picture elements. In an experiment, the resolution of a conventional imageguide comprising 30,000 closely-packed hexagonally arranged fibers (core: cladding=9 µm: 9 µm) was improved by a factor of 2.5 using wavelength multiplexing.

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