Optical apparatus for determining the index profile of an optica

Details Optical apparatus for determining the index profile of an optica Optical apparatus for determining the index profile of an optica

1982-05-06

1985-11-05

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

356128, G01N 2141, G01N 2184

Patent

active

045510202

ABSTRACT:
Optical apparatus for determining for example by display on an oscilloscope the refractive index profile across an optical fibre including an ellipsoidal reflector and a scanning system for a laser beam directed towards one focus of the ellipsoidal reflector at which point the fibre to be examined is placed and including a detector which is relatively small in size situated at the other focus of the ellipsoidal reflector.

REFERENCES:
patent: 4349276 (1982-09-01), DiVita

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