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Subject : 
光穿过纤维
 
Description : 
为什么我看不到光穿过纤维?
 
Solution : 
单模LC光纤的波长约为1400nm(红外),而典型的人眼对波长约为390至700nm的光纤有反应。换句话说,纤维发出的光对人眼是看不见的。要测试光纤,您需要一个VFL(可视故障定位器)的特定工具。
 
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