Method for connecting optical fibres without Fresnel reflection

Details Method for connecting optical fibres without Fresnel reflection Method for connecting optical fibres without Fresnel reflection

1989-06-08

1991-01-22

Lee, John D.

350 9615, 350 9629, 350320, G02B 638

Patent

active

049866273

ABSTRACT:
This invention concerns a method for connecting optical fibres, comprising stages consisting in (i) effecting a controlled rough polishing of the interface (5) of the fibres (1) to be connected, (ii) steeping the ends of the fibres (1) in a concentrated solution hydrofluoric acid and (iii) aligning then connecting the fibres (1) using an index matching material (FIG. 4). The invention also concerns a variable optical attenuator and a system using this attenuator to measure the effect of the reflection coefficient on an optical line.

REFERENCES:
patent: 4783137 (1988-11-01), Kosman et al.
Sankawa et al., "Methods for Reducing the Fresnel Reflection . . . ", Electronics and Commun. in Japan, vol. 69, No. 1, Jan. 1986, pp. 94-102.

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