Method and apparatus for identifying an optical transmission med

Details Method and apparatus for identifying an optical transmission med Method and apparatus for identifying an optical transmission med

1990-03-02

1993-04-13

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

25022717, G01N 2184, G01N 2121

Patent

active

052027465

ABSTRACT:
A technique for identifying an optical transmission medium from a plurality of single-mode-type optical transmission media by using longitudinal middle portions of the media as an identification section by first exciting a particular optical transmission media by means of a polarized light, next applying either an electromagnetic action or a mechanical action to the particular optical transmission medium to modulate the polarized light and then identifying the particular optical transmission medium based on the deviation of the polarized plane of the polarized light.

REFERENCES:
patent: 4759624 (1988-07-01), Calvani et al.
patent: 4840482 (1989-06-01), Shigematsu et al.

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