Alternating current arc for lensing system and method of using s

Details Alternating current arc for lensing system and method of using s Alternating current arc for lensing system and method of using s

1987-01-13

1988-05-10

Lindsay, Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 102, 65 111, 65 36, 65 40, 219121ER, 219121ET, 219121EX, 264 14, 350 9618, 373 2, 373 24, C03B 37075, C03B 2309, G02B 600

Patent

active

047432837

ABSTRACT:
A system is provided for forming an end of an optical fiber into a lens, which produces a lensed fiber having an especially smooth lens surface and high strength near the intersection of the lens and the rest of the fiber. A lens is formed by establishing a pair of electrodes on opposite sides of a fiber end portion and establishing an arc between the electrode tips for a sufficient current and time to melt the fiber end portion into a lens, with the arc being repeatedly terminated and restarted at a rate of thousands of times per second.

REFERENCES:
patent: 2184740 (1939-12-01), Hansell
patent: 2205582 (1940-06-01), Steimel
patent: 3288585 (1966-11-01), Clarke
patent: 3684474 (1972-08-01), Chisholm
patent: 4345930 (1982-08-01), Basola
patent: 4589897 (1986-05-01), Mathyssek et al.
Fusion Mass Splices for Optical Fibers Using High-Frequency Discharge Journal of Lightwave Tech., vol. L+2 #1, Feb. 1984, Tachikura et al., pp. 25-31.

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