Coupling-equipped light guide

Details Coupling-equipped light guide Coupling-equipped light guide

1978-11-16

1980-03-18

Hille, Rolf G.

G02B 514

Patent

active

041936639

ABSTRACT:
The jacket of a cored light guide is completely or partially etched away; or, if the light guide is a gradient fiber guide, it is etched to about the light guiding diameter. A lens is then adhered to the end of the fiber, the lens being made of a material having a melting point which is low in relation to the melting point of the core material, to result in a light guide having an essentially semispherical lens at the end; adhesion may be effected by melting on a lens of lower melting point glass, or by making the lens of transparent epoxy, a drop of which can be cured on the light guide to form the lens.

REFERENCES:
patent: 3910677 (1975-10-01), Becker et al.
patent: 4067937 (1978-01-01), Unno et al.
patent: 4118270 (1978-10-01), Pan et al.

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