Signal cutout device, optical connector, and optical fiber...

Details Signal cutout device, optical connector, and optical fiber... Signal cutout device, optical connector, and optical fiber...

G - Physics

02

B

G02B 6/10 (2006.01) G02B 6/28 (2006.01) G02B 6/38 (2006.01) G02B 6/34 (2006.01) G02B 6/42 (2006.01)

Patent

CA 2475931

A signal cutout device (4) and an optical connector, the signal cutout device (4) comprising an optical fiber having a clad (42) on the outer periphery of a core (41), wherein first and second refractive index varying parts (41a) and (41b) having grating intervals gradually varying along an optical axis are formed in the core (41), in series with each other, along the longitudinal direction of the core (41); the optical connector detachably connected to an optical path at a specified position comprising a housing and a ferrule, wherein the signal cutout device (4) is installed in the fine diameter hole of the ferrule.

La présente invention concerne un dispositif de coupure du signal (4) et un connecteur optique. Le dispositif de coupure du signal (4) comprend une fibre optique faite d'un coeur (41) dont la périphérie est extérieurement garnie d'un gainage (42). En l'occurrence, à l'intérieur du coeur (41) se trouvent deux zones (41a, 41b) à variation d'indice de réfraction où les intervalles entre les réseaux de diffraction, qui sont montés en série les une après les autres, varient graduellement selon un axe optique correspondant à l'axe longitudinal du coeur (41). Le connecteur optique, qui est branché détachable en un point défini du trajet optique, est constitué d'un carter et d'une férule, le dispositif de coupure du signal (4) étant installé dans le trou à diamètre fin de la férule.

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