G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/09 (2006.01) C03C 13/04 (2006.01) C03C 25/42 (2006.01) G02B 6/26 (2006.01) G02F 1/095 (2006.01)
Patent
CA 2384875
The invention relates to an optical wave guide and to a fiber optic insulator. The optical wave guide rotating the polarization plane of a radiation coupled into said plane consists of a Faraday effect fiber core (11), a fiber sheath (3) and a coating (5) that generates a permanent magnetic field and concentrically covers the YIG-doted fiber core (11). The outer coating (5) is produced from a material that has magnetic properties or that can be magnetized. The magnetic coating consists of two half-shells (7, 9).
L'invention concerne un guide d'ondes optiques et un isolateur. Le guide d'onde qui fait tourner le rayonnement injecté dans le plan de polarisation comprend un noyau de fibre (11) à effet Faraday, une gaine de fibre (3) et un revêtement (5) produisant un champ magnétique permanent et entourant de manière concentrique le noyau de fibre (11) dopé par YIG. Le revêtement (5) extérieur se compose d'un matériau présentant des propriétés magnétiques ou pouvant être magnétisé. Le revêtement magnétique comprend deux semi-monocoques (7,9).
Blake Cassels & Graydon Llp
Scc Special Communication Cables Gmbh & Co. Kg
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