Index tunable thin film interference coatings

G - Physics – 02 – F

Patent

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Details

G02F 1/01 (2006.01) G02B 6/34 (2006.01) G02B 6/42 (2006.01) G02F 1/21 (2006.01)

Patent

CA 2447596

According to various embodiments and aspects of present invention, there is provided a dynamically tunable thin film interference coating including one or more layers with thermo-optically tunable refractive index. Tunable layers within thin film interference coatings enable a new family of thin film active devices for the filtering, control, modulation of light. Active thin film structures can be used directly or integrated into a variety of photonic subsystems to make tunable lasers, tunable add-drop filters for fiber optic telecommunications, tunable polarizers, tunable dispersion compensation filters, and many other devices.

L'invention concerne un revêtement interférentiel à couches minces, accordable de manière dynamique, comprenant une ou plusieurs couches à indice de réfraction accordable par voie thermo-optique. Les couches accordables dans ces revêtements interférentiels à couches minces permettent de créer une nouvelle famille de dispositifs actifs à couches minces servant à filtrer, réguler, moduler la lumière. Ces structures à couches minces actives peuvent être utilisées directement ou intégrées dans une variété de sous-système photoniques pour permettre la production de lasers accordables, de filtres d'insertion-extraction accordables destinés aux télécommunications à fibres optiques, de polariseurs accordables, de filtres de compensation de dispersion accordables, ainsi qu'un grand nombre d'autres dispositifs.

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