Optical fiber splice

Details Optical fiber splice Optical fiber splice

G - Physics

02

B

G02B 6/255 (2006.01) G02B 6/36 (2006.01) G02B 6/38 (2006.01)

Patent

CA 2114932

2114932 9305419 PCTABS00020 An optical fiber splice element (10) comprising a sheet (12) of ductile material having a novel focus hinge defining first and second legs, each of the legs (18, 20) having a V-groove therein for receiving the optical fibers. The focus hinge, comprising a groove on one side of the sheet, a notch on the other side of the sheet aligned with the groove, and a convex hinge web, provides precise registration of the V-grooves (22, 24) when the sheet (12) is folded; this in turn leads to improved alignment of the fibers. The V-grooves (22, 24) also have a novel angular geometry which optimizes the clamping forces, resulting in lower insertion loss. The interior angle of the V-grooves is smaller than the optimum angle whereby, when the fiber is clamped and portions of the V-groove surfaces are deformed, the V-groove has an effective angle which is approximately equal to the optimum angle.

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