Optical characteristic inspection method, optical characteristic inspection apparatus, and optical characteristic inspection system for optical fiber device

摘要

An inspection unit, in which a laser source and a reflection measuring module containing a laser source and a light receiver are connected to an optical switch, is connected to an input optical fiber of an optical fiber device. An end of an output optical fiber is beveled and is connected to the light receiver through an adapter. When loss is measured, inspection light from the laser source is input into the light receiver through the input optical fiber, the optical fiber device, and the output optical fiber. When return loss is measured, an optical switch is switched to input inspection light, from the laser source in the reflection measuring module, into the optical fiber device through the input optical fiber, and to input light reflected from the optical fiber device into the light receiver in the reflection measuring module.