Optical waveguide for fiber-optic amplifiers for the wavelength

Optical waveguides – Optical fiber waveguide with cladding

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385142, G02B 602, G02B 616

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057108528

ABSTRACT:
An optical waveguide for fiber-optic amplifiers is disclosed where the Progression of the fluorescence band of optical waveguides that are doped with erbium and aluminum can be additionally flattened if the core contains fluorine, e.g., in the form of ErF.sub.3 and AIF.sub.3, as an additional doping agent.

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