Optics: measuring and testing – For optical fiber or waveguide inspection
Patent
1987-09-30
1989-05-16
McGraw, Vincent P.
Optics: measuring and testing
For optical fiber or waveguide inspection
356153, G01B 1127, G01N 2184
Patent
active
048304905
ABSTRACT:
An apparatus for aligning the centers of the cores of two optical fibers prior to their being fused together for splicing. A pair of supporting members are provided, each of which has a V-shaped recess in which an end of a respective one of the optical fibers is fixed. The supporting members are movable relative to one another in a direction substantially perpendicular to the axial direction of the optical fibers. A transparent light conducting member forms a bottom portion of the recess of at least one of the supporting members. A photodetector is optically coupled to the light conducting member.
REFERENCES:
patent: 3938895 (1976-02-01), Bridger et al.
patent: 4102717 (1978-07-01), Hensel
patent: 4188087 (1980-02-01), D'Auria et al.
patent: 4475790 (1984-09-01), Little
OFC (Optical Fiber Communications) 1982--pp. 44-45.
"Low-Loss Fusion Splice of Single Mode Fiber" by Tada, et al 1981 IEEE-pp. 27.7.1-27.7.6.
Kakii Toshiaki
Kashima Norio
Kato Yasuyaki
Osanai Mitsuaki
Toda Yuichi
McGraw Vincent P.
Nippon Telegraph and Telephone Public Corporation
Sumitomo Electric Industries Ltd.
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