Optics: measuring and testing – For optical fiber or waveguide inspection
Patent
1986-06-03
1988-05-03
McGraw, Vincent P.
Optics: measuring and testing
For optical fiber or waveguide inspection
G01N 2184
Patent
active
047416157
ABSTRACT:
An optical beam is injected into a single-mode fiber of a given length and outgoes from an end face of the fiber, is reflected by a reflecting optical system into the fiber; the optical power of the reflected beam guided backward by the fiber is measured. The end face of the fiber is placed in the optical center of the reflecting system to obtain the maximum reflected power, and is then deviated from the position detecting the occurring reductions of the reflected optical power.
REFERENCES:
patent: 4523843 (1985-06-01), Melman et al.
Electronics Letters, Jun. 25, 1981, vol. 17, No. 13, pp. 458-460.
Modern Geometrical Optics, by Max Herzberger, published Interscience Publishers, Inc., New York, 1958, pp. 21-22, 52.
Calzavara Massimo
Coppa Gianni
Di Vita Pietro
Dubno Herbert
Lianides Ronald
McGraw Vincent P.
Ross Karl F.
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