Beam shaping and practical methods of reducing loss...

Details Beam shaping and practical methods of reducing loss... Beam shaping and practical methods of reducing loss...

G - Physics

02

B

G02B 6/26 (2006.01)

Patent

CA 2519872

A practical realization for achieving and maintaining high-efficiency transfer of light from input and output free-space optics to a high-index waveguide of submicron thickness is described. The required optical elements and methods of fabricating, aligning, and assembling these elements are discussed. Maintaining high coupling efficiency reliably over realistic ranges of device operating parameters is discussed in the context of the preferred embodiments.

L'invention a trait à un procédé pratique permettant de réaliser et de maintenir un transfert de lumière à haut rendement depuis des optiques sans fil d'entrée et de sortie vers un guide d'ondes à indice élevé possédant une épaisseur de l'ordre de l'ultramicron. L'invention concerne également les éléments optiques requis et des procédés permettant de fabriquer, d'aligner et d'assembler lesdits éléments. Dans les modes de réalisation préférés, l'invention concerne des moyens permettant de maintenir en toute fiabilité une efficacité de couplage élevée sur des gammes réalistes de paramètres d'exploitation de dispositifs.

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