Electric heating – Metal heating – By arc
Patent
1994-08-16
1997-01-21
Paschall, Mark H.
Electric heating
Metal heating
By arc
21912138, 21912158, 21912148, 65391, 65436, 65509, B23K 1000, C03B 3701
Patent
active
055956696
ABSTRACT:
To enable surface tension forces to confer upon an optical fiber end (P1), a shape procuring good optical coupling the end is partially melted in an electric arc (ZC). To improve the reproducibility of this shape movement into the arc is achieved by a unidirectional sideways displacement (MC) of the fiber at an angle to the optical fiber axis. The invention applies to coupling a flat array of optical fibers to a strip of components such as semiconductor lasers. To this end the fibers (F1, . . . , F6) are fixed into grooves on a fiber support (2). The latter is displaced to dip the fiber ends simultaneously into a chemical etching bath which gives them a pointed shape and then to move them successively into the electric arc.
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patent: 4118618 (1978-10-01), Gauthier et al.
patent: 4345137 (1982-08-01), Mignien et al.
Ch. W. Barnard et al, "Single-Mode Fiber Microlens with Controllable Spot Size", Applied Optics, vol. 30, No. 15, 20 May 1991, pp. 1958-1962.
JP-A-03 050 510, Patent Abstracts Of Japan, vol. 15, No. 198 (P-1204) 22 May 1991.
JP-A-58 057 102, Patent Abstracts Of Japan, vol. 7, No. 146 (P-206) (1291) 25 Jun. 1983.
ALCATEL N.V.
Paschall Mark H.
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