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Fiber laser system, its reflection resistance evaluation method and reflection resistance improvement method, and fiber laser
Fiber laser system, its reflection resistance evaluation method and reflection resistance improvement method, and fiber laser
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机译:光纤激光器系统,其反射阻力评估方法和反射阻力改善方法以及光纤激光器
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摘要
Reflection resistances of respective fiber lasers in a state where an entire fiber laser system is in operation are evaluated. Each of fiber lasers (2 through 4) includes (i) a laser beam measuring section (28) configured to measure a power of a laser beam which a low reflection FBG (26) has transmitted therethrough and (ii) a Stokes beam measuring section (29) configured to measure a power of a Stokes beam which a high reflection FBG (24) has transmitted therethrough.
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