Optics: measuring and testing – For optical fiber or waveguide inspection
Patent
1978-10-24
1980-07-15
McGraw, Vincent P.
Optics: measuring and testing
For optical fiber or waveguide inspection
G01N 2116
Patent
active
042125375
ABSTRACT:
A system for measuring a combination of optical transmission properties of fiber optic waveguides. A polarized light pulse probe is injected into one end of the optical fiber. Reflections from discontinuities within the fiber are unpolarized whereas reflections of the probe pulse incident to its injection remain polarized. The polarized reflections are prevented from reaching a light detector whereas reflections from the discontinuities reaches the detector.
REFERENCES:
patent: 4012149 (1977-03-01), Bouillie et al.
Davies Terence J.
Golob John E.
Looney Larry D.
Lyons Peter B.
Nelson Melvin A.
Koch John A.
Lupo R. V.
McGraw Vincent P.
The United States of America as represented by the Unied States
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