Patent ID: 7387446
Filing Date: 2008-06-17
Classification: G02B

Abstract:
1. An optical plug-in connection for the connection of polarization-maintaining optical fibers comprising: a sleeve having a bore therein; a receptacle having a bore therein for supporting the sleeve with the bore of the sleeve aligned with the bore of the receptacle; first and second ferrules having bores supporting ends of optical fibers, a first end of the first ferrule received in one end of the bore of the sleeve via one end of the bore of the receptacle, a first end of the second ferrule received in the other end of the bore of the sleeve via the other end of the bore of the receptacle; means for locking the first and second ferrules to the receptacle, wherein the means for locking includes for each ferrule; a ferrule holder in which the second end of the ferrule is held in a rotationally fixed manner; and an interlocking sleeve coupled to the exterior of the ferrule holder in a rotationally fixed manner.