| 摘要 |
<p>A connector 10 for terminating an optical fiber includes a cylindrical ferrule 140 and a base member 150. An axial passageway 145 extends between end faces 141-142 of the ferrule and is adapted to receive an uncoated end portion of the optical fiber. The passageway has a generally circular cross section whose diameter is substantially constant along its entire. In particular, the ferrule does not include an entry funnel at either end face for guiding fiber into the passageway. Rather, the base member, which holds an end portion of the ferrule, includes a funnel region for this purpose. The base member is molded around the ferrule by a process known as insert molding. And because the funnel is exclusively present in the base member, the need to etch, grind or fire polish a funnel in the ferrule no longer exists. The cylindrical ferrule is made from a drawn glass tube whose outer surface has a diameter of approximately 1.25 mm, and whose axial passageway is concentric with the outer surface. The ferrule includes a generally flat region 148 near, but not contiguous with, an end face 141 for preventing rotation and removal of the ferrule from the base member.</p> |
