Athermal optical waveguide grating device

Details Athermal optical waveguide grating device Athermal optical waveguide grating device

G - Physics

02

B

G02B 6/34 (2006.01) C03C 3/085 (2006.01) C03C 8/24 (2006.01) G02B 6/12 (2006.01) G02B 6/36 (2006.01)

Patent

CA 2349422

The invention relates to an athermal optical waveguide grating device (20). The optical waveguide grating device (20) includes a fiber Bragg grating member (22) secured and bonded to a supporting substrate member (28) with a low thermal expansion securing glass (30), such as a copper alumino silicate glass. The inventive devices and method of making the devices include the utilization of intermediate solid insert members (40, 42) between the fiber (24) and a negative thermal expansion substrate (38).

L'invention porte sur un dispositif athermique de réseau (20) de guide d'ondes optique consistant en un dispositif de réseau de Bragg à fibre (22) fixé et collé à un substrat support (28) à l'aide d'un verre (30) de fixation à faible dilatation thermique tel qu'un verre de silicate de cuivre et d'aluminium. Le dispositif de l'invention et son procédé de réalisation recourent à des inserts solides (40, 42) intermédiaires placés entre la fibre (24) et un substrat (38) à dilatation négative.

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