Athermal optical device

C - Chemistry – Metallurgy – 03 – C

Patent

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Details

C03C 10/00 (2006.01) G02B 5/28 (2006.01) G02B 6/10 (2006.01) G02B 6/28 (2006.01) G02F 1/01 (2006.01)

Patent

CA 2243200

An athermal optical device and a method for producing the device, such as an athermal optical fiber reflective grating, are described. The athermal optical fiber reflective grating device comprises a negative expansion substrate, an optical fiber mounted on the substrate surface, and a grating defined in the optical fiber. The method for producing the athermal optical fiber reflective grating device comprises providing a negative expansion substrate, mounting an optical fiber with at least one reflective grating defined therein onto the substrate upper surface, and affixing the optical fiber to the substrate at at least two spaced apart locations.

L'invention concerne un dispositif optique athermique et un procédé pour réaliser un tel dispositif, qui peut être un réseau réfléchissant athermique d'une fibre optique. Le dispositif de réseau réfléchissant de fibre optique athermique comprend un substrat à dilatation négative, une fibre optique montée sur la surface du substrat et un réseau réalisé dans la fibre optique. Le procédé pour réaliser le dispositif de réseau réfléchissant de fibre optique athermique consiste à choisir un substrat à dilatation négative, à monter une fibre optique comportant au moins un réseau réfléchissant incorporé sur la surface supérieure du substrat et à fixer la fibre optique sur le substrat en au moins deux emplacements espacés.

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