COMPACT ATHERMAL OPTICAL WAVEGUIDE USING THERMAL EXPANSION AMPLIFICATION

Publication: ResearchPatent – Annual report year: 2001

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A method of temperature stabilising optical waveguides having positive thermal optical path length expansion, in particular fiber Bragg gratings or optical fiber DFB lasers or optical fiber DBR lasers, comprising affixing the optical waveguide to at least two points of a negative expanding fixture; said negative expanding fixture comprising one or two V-shaped displacement amplifiers made from a material with a higher positive CTE mounted in a frame made of a material with lower positive CTE; the V-shaped displacement amplifier is mounted on a support in such a manner that its motion in directions substantially perpendicular to the axis of the mounted fiber device is restrained by the support and transferred to (amplified) displacement along the fiber axis.
Original languageEnglish
Publication date2001
Patent numberWO2001035133
Date17/05/01
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
StatePublished

Bibliographical note

International application published under the World Intellectual Property Organization (WIPO)

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