Optical waveguides – With optical coupler – Switch
Patent
1998-05-28
2000-03-28
Palmer, Phan T. H.
Optical waveguides
With optical coupler
Switch
385 16, 385 22, G02B 626
Patent
active
060441860
ABSTRACT:
A fiber optic switching apparatus includes a first fiber alignment head having a V-groove formed therein. A first optical fiber is mounted in the V-groove with an end of the first optical fiber being arranged to be spaced apart from an end of the V-groove. A second fiber alignment head is arranged to be adjacent the first fiber alignment head. The second fiber alignment head includes a switching member arranged to be pivotable between a first position and a second position. A second optical fiber is connected to the switching member with the second optical fiber being arranged to have an end extending into the V-groove such that the ends of the first and second optical fibers are in longitudinal alignment when the switching member is in its first position and being out of alignment when the switching member is in its second position. The second optical fiber preferably is arranged such that when the switching member is in the first position, a portion of the second optical fiber is bent so that elastic forces in the first optical fiber retain it in the first position in the V-groove.
REFERENCES:
patent: 4896935 (1990-01-01), Lee
patent: 5035482 (1991-07-01), Ten Berge et al.
patent: 5098207 (1992-03-01), Blomgren
patent: 5757991 (1998-05-01), Harman
Shiraishi et al. Journal of Lightwave Technology Beam Expanding Fiber Using Thermal Diffusion of the Dopant vol. 8, No. 8, pp. 1151-1161 Aug. 1990.
Chen et al. Multi wavelength dynamically selective cross-connect based on fiber Bragg gratings and optical switches pp. 319-320 No Month 1998.
Chang Chin L.
Rosette Ricardo A.
Smith Keyth M.
Smith Michel K.
Straede Robert
Lightwave Link
Palmer Phan T. H.
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