Method of producing a coupling element for an optical transmissi

Details Method of producing a coupling element for an optical transmissi Method of producing a coupling element for an optical transmissi

1978-06-07

1981-01-06

Smith, William F.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 37, C03B 2309

Patent

active

042433991

ABSTRACT:
Method of producing a coupling element for coupling a laser radiation source to a monomode optical transmission fiber. The end of the fiber is monotonically flattened at a temperature at which the fiber's core has a viscosity of between 10.sup.7 to 10.sup.8.5 poises. The fiber has a cladding glass chosen to have a viscosity of between 10.sup.10 -10.sup.11 poises at the flattening temperature. This causes the core glass to emerge in the form of a semi-ellipsoidal lens, when the fiber is flattened.

REFERENCES:
patent: 3136310 (1964-06-01), Meltzer
patent: 3395366 (1968-07-01), Smitzer et al.
patent: 3779628 (1973-12-01), Kapron et al.
patent: 3910677 (1975-10-01), Becker et al.
patent: 4067937 (1978-01-01), Unno et al.
patent: 4137060 (1979-01-01), Timmermann
patent: 4143940 (1979-03-01), Khoe

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