Distance correction method and the controller for the reflectome

Details Distance correction method and the controller for the reflectome Distance correction method and the controller for the reflectome

1998-05-28

1999-11-02

Font, Frank G.

Optics: measuring and testing

For optical fiber or waveguide inspection

385100, G01N 2100

Patent

active

059780754

ABSTRACT:
A distance correction method and the controller for a reflectometer is disclosed which is able to perform accurate correction of the distances measured by reflectometer. In the distance correction method for the reflectometer which measures the Fresnel reflection or Raleigh back-scattering light of an optical fiber or an optical waveguide, the distance correction D.sub.wg1 -D.sub.wgn is performed according to the respective group refraction ratios which are the parameters of the optical fiber or the optical waveguides longitudinally connected with having different known group refraction ratios.

REFERENCES:
patent: 5592577 (1997-01-01), Tanoue

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