Athermal optical device

G - Physics – 02 – B

Patent

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Details

G02B 6/00 (2006.01) C03C 10/00 (2006.01) G02B 6/10 (2006.01) G02B 6/12 (2006.01) G02B 6/28 (2006.01)

Patent

CA 2242676

An athermal optical device and a method for producing the device, such as an athermal optical fiber reflective grating (20), are described. The athermal optical fiber reflective grating device (20) comprises a negative expansion substrate (22), an optical fiber (24) mounted on the substrate (22) surface, and a grating (26) defined in the optical fiber (24). The method for producing the athermal optical fiber reflective grating (20) device comprises providing a negative expansion substrate (22), mounting an optical fiber (24) with at least one reflective grating (26) defined therein onto the substrate (20) upper surface, and affixing the optical fiber (24) to the substrate (22) at at least two spaced-apart locations (30, 32).

L'invention concerne un dispositif optique athermique, tel qu'un réseau réfléchissant (20) à fibre optique et athermique, et son procédé de production. Ledit dispositif de réseau réfléchissant (20) à fibre optique et athermique comprend un substrat à dilatation négative (22), une fibre optique (24) montée sur la surface du substrat (22) et un réseau (26) défini dans la fibre optique (24). Le procédé de production dudit réseau réfléchissant (20) à fibre optique et athermique consiste à produire un substrat à dilatation thermique négative (22), à monter sur la surface supérieure du substrat (20) une fibre optique (24) dans laquelle au moins un réseau réfléchissant (26) est défini, et à fixer la fibre optique (24) au substrat (22) en au moins deux emplacements (30, 32) espacés.

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