Methods and apparatus for estimating optical insertion loss

Details Methods and apparatus for estimating optical insertion loss Methods and apparatus for estimating optical insertion loss

2007-03-20

2007-03-20

Sanghavi, Hemang (Department: 2874)

Optical waveguides

With disengagable mechanical connector

Structure surrounding optical fiber-to-fiber connection

C385S097000, C356S073100

Reexamination Certificate

active

11193931

ABSTRACT:
A method for estimating insertion loss at a mechanical joining point between adjoining optical fibers includes introducing light energy into an optical fiber, using light collecting means to collect the light energy emanating from the optical fiber proximate the mechanical joining point, measuring a reference optical power prior to joining the optical fibers, measuring a terminated optical power after the optical fibers are joined, and comparing the terminated optical power to the reference optical power. An apparatus for estimating insertion loss includes a source of light for introducing light energy into an optical fiber, at least one optical fiber strand disposed about the mechanical joining point for collecting the light energy emanating from the optical fiber proximate the mechanical joining point, and an optical power meter coupled to the at least one optical fiber strand for measuring the optical power of the light energy emanating from the mechanical joining point.

REFERENCES:
patent: 4360268 (1982-11-01), Zucker et al.
patent: 4708476 (1987-11-01), So et al.
patent: 5259047 (1993-11-01), Morrison et al.
patent: 6369883 (2002-04-01), Clark
patent: 6816661 (2004-11-01), Barnes et al.
patent: 2005/0036744 (2005-02-01), Caveney et al.

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