Automatic fusion-temperature control for optical fiber splicers

Details Automatic fusion-temperature control for optical fiber splicers Automatic fusion-temperature control for optical fiber splicers

1996-04-26

1998-06-30

Dombroske, George M.

Thermal measuring and testing

Temperature measurement

Nonelectrical, nonmagnetic, or nonmechanical temperature...

374187, 374188, G01K 1106

Patent

active

057723273

ABSTRACT:
For measuring and controlling the temperature of a splice portion between two optical fiber (1, 1') ends, during the splicing process when the material of the ends is heated to be fusioned, the time-dependency of the surface tension effect for viscous liquids is utilized. Then the fiber (1, 1') ends are placed for splicing with a relatively large lateral offset in the retainers (39) of a fiber splicer and are spliced by the heat of an electric arc generated between the welding electrodes (43). The heating of the fiber ends is continued, whereby the offset of the fiber ends will gradually decrease due to the surface tension. The offset is then measured at different times during the continued heating and from these determined values and the times when they were measured the temperature of the heated fiber end portions is determined. This temperature value may then be compared to a predetermined set value for control of the heating of the splice region. Hereby also offset attenuators can be made having relatively accurate, predetermined attenuation values.

REFERENCES:
patent: 4557556 (1985-12-01), Decker, Jr.
patent: 5490475 (1996-02-01), Bryant et al.
patent: 5572313 (1996-11-01), Zheng et al.
patent: 5586211 (1996-12-01), Dumitrou et al.

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