| 摘要 |
A biconic optical fiber connector adapted to introduce in an optical fiber transmission line a predetermined amount of attenuation comprising: a frustroconical shaped male and socket member adapted to be fitted into one another, a first optical fiber having a free end disposed in and terminated on a surface of the frustroconical shaped male member and a second optical fiber in alignment with the first optical fiber having a free end disposed and terminated in the socket. A shim or sleeve with an aperture having inside and outside frustroconical surfaces delimiting a predetermined wall thickness between them disposed over the frustroconical member and between the socket and frustroconical male member, the wall thickness of the shim causing the free ends of the first and second optical fibers to be separated one from another a predetermined distance so as to introduce into the optical fiber transmission line a predetermined amount of attenuation that is a function of the shim's wall thickness.
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