Optical connector coupling for reducing unwanted effects associa

Details Optical connector coupling for reducing unwanted effects associa Optical connector coupling for reducing unwanted effects associa

1995-11-30

1997-01-14

Healy, Brian

Optical waveguides

With disengagable mechanical connector

Structure surrounding optical fiber-to-fiber connection

385 27, 385 28, 385 35, 385 61, 385 70, 385 72, 385 78, 385 79, 385 66, 385 84, G02B 638

Patent

active

055948251

ABSTRACT:
An optical connector ferrule is provided having an standard single mode optical fiber therein whose mode field diameter is approximately 10 .mu.m along its length. An end portion and the end face of the optical fiber are heated to thermally expanded the mode field diameter to approximately 20 .mu.m or greater for reducing power density at the end face. By providing an expanded mode field diameter at the end face of the fiber, the power density is lessened, thereby lessening the probability that any dirt or debris at the end face will become heated sufficiently to damage the optical fiber.

REFERENCES:
patent: 4763976 (1988-08-01), Nolan et al.
patent: 4854663 (1989-08-01), Borsuk et al.
patent: 4877300 (1989-10-01), Newhouse et al.
patent: 5071217 (1991-12-01), Birch
patent: 5301252 (1994-04-01), Yanagawa et al.

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