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English

For measurements, the optical fiber needs to be connected to a so-called interrogator; it continuously sends out light in different wavelengths, one at a time, thus covering a wide spectrum. This is called "sweeping laser".

Chinese

对于测量,光纤需要连接到所谓的光纤解调器; 它能够连续发出不同波长的光,一次一个, 这被称为"扫描激光 " 。