Method and device for manufacturing colored optical fiber core

A method for manufacturing a colored optical fiber core includes: a step for feeding a colored resin into a mold; a step in which the optical fiber is passed through a mold and a colored resin is applied around the optical fiber to form a colored optical fiber core having a colored layer; a step for detecting the color of the colored layer; and a step for determining whether or not the detected color is good. 一种着色光纤芯线的制造方法，包括：将着色树脂送出至模具内的工序；使光纤素线通过模具内并在光纤素线的周围涂布着色树脂以形成具备着色层的着色光纤芯线的工序；检测着色层的颜色的工序；以及判定检测到的颜色的良否的工序。