Coupling element for an optical transmission fiber

Details Coupling element for an optical transmission fiber Coupling element for an optical transmission fiber

1980-06-13

1983-01-25

Miller, Stanley D.

G02B 514

Patent

active

043700217

ABSTRACT:
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 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: 4143940 (1979-03-01), Khoe
Journal of Applied Physics, vol. 47, No. 1, Jan. 1976, pp. 177-179, Kohanzadeh, Y., "Injection Laser Coupling to Optical Waveguides with Integral Lenses".

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