Single mode optical fiber coupler

G - Physics – 02 – B

Patent

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88/97.5

G02B 6/32 (2006.01) G02B 6/42 (2006.01)

Patent

CA 2009594

A hemispherical lens and a spherical lens couple a laser diode light beam to a single mode 10µ core diameter optical fiber producing coupling efficiencies over 60% without anti-reflection coatings,even with substantial misalignments of the lenses.

Lentille hémisphérique et lentille sphérique couplant un faisceau lumineux à diode laser à une fibre optique monomode dont l'âme présente un diamètre de 10µ La fibre produit des rendements de couplage de plus de 60 % sans couche anti-reflet, même lorsque le mauvais alignement des lentilles est assez important.

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