Polarization maintaining method in optical fibre

摘要

A polarization-maintaining connector comprising a ferrule (2) inside which a polarization-maintaining fibre (F) is fixed, a lock ring (3) fitted over the ferrule (2), a first inner casing (4) in which the lock ring (3) is inserted, and an outer containing body (5) on which there is a key (51) which houses the inner casing (4). The lock ring (3) has external circular symmetry and is free to rotate about its longitudinal axis inside the inner casing (4).