Optical fiber evaluation method and system

Details Optical fiber evaluation method and system Optical fiber evaluation method and system

1993-03-03

1995-06-20

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

G01N 2188, G01N 2100

Patent

active

RE0349720

ABSTRACT:
Use is made of a non linear interaction between a first modulated signal light from a first light source and a second signal light from a second light source which propagate in an optical fiber to be examined in opposite directions, i.e., so-called Brillouin light amplification, to analyze the signal waveform of the second signal light, which is influenced by the action of such light amplification.

REFERENCES:
patent: 4159178 (1979-06-01), Vali et al.
patent: 4309604 (1982-01-01), Yoshikawa et al.
patent: 4560246 (1985-12-01), Cotter
patent: 4859017 (1989-08-01), Brierley et al.
M. K. Barnoski et al.; "Optical Time Domain Reflectometer", Appl. Opt., 1977, vol. 16, pp. 2375-2379.
F. P. Kapron et al.; "Aspect of Optical Frequency-Domain Reflectrometry", Tech. Digest of 100C'81, 1981, p. 106.
M. C. Farries et al.; "Distributed Sensing Using Stimulated Raman Interaction in a Monomode Optical Fiber", Symposium of Optical Fiber Sensing, '84, pp. 121-132.

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