METHOD OF FABRICATING AN OPTICAL FIBER PREFORM USING MCVD AND NONLINEAR OPTICAL FIBER FABRICATED USING THE METHOD

摘要

Disclosed is a method of fabricating an optical fiber preform using a modifi ed chemical vapor deposition method and a nonlinear optical fiber fabricated using the method, in which an impurity component is doped after both ends of a quartz glass tube are partially collapsed, so that an impurity doping proces s can be stably executed and the doped quantity of the impurity component can be increased. The method comprises the steps of: forming a cladding layer and a core layer in a quartz glass tube; partially sintering the core layer; partially shrinking both ends of the quartz glass tube, in which the claddin g layer and the core layer partially sintered are formed; and doping a sintere d portion of the core layer with an impurity component, so that the optical fiber preform fabricated has a predetermined function.