Reflective coupling array for optical waveguide

Details Reflective coupling array for optical waveguide Reflective coupling array for optical waveguide

G - Physics

02

B

G02B 6/26 (2006.01) G02B 6/124 (2006.01) G02B 6/30 (2006.01) G02B 6/34 (2006.01) G02B 6/36 (2006.01)

Patent

CA 2273883

A coupling for an optical device that disperses wavelengths along a focal line (30) includes reflective surfaces (34a-34e) that fold light out of a plane propagation and into alignment with an array of inputs (12) or outputs (14a- 14e). Some of the reflective surfaces are offset from the focal line so that the inputs or outputs can be spaced closer together in a dimension along the focal line.

Cette invention se rapporte à un organe de couplage pour un dispositif optique qui disperse les longueurs d'onde le long d'une ligne focale et qui comporte des surfaces réfléchissantes qui renvoient le rayonnement issu d'un plan de propagation et l'amènent en alignement avec une matrice d'éléments d'entrée ou de sortie. Certaines de ces surfaces réfléchissantes sont décalées par rapport à la ligne focale de sorte que les éléments d'entrée ou de sortie sont rapprochés les uns des autres le long de la ligne focale.

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