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FIBER LASER SYSTEM, REFLECTION RESISTANCE EVALUATION METHOD AND REFLECTION RESISTANCE IMPROVEMENT METHOD FOR SAME, AND FIBER LASER
FIBER LASER SYSTEM, REFLECTION RESISTANCE EVALUATION METHOD AND REFLECTION RESISTANCE IMPROVEMENT METHOD FOR SAME, AND FIBER LASER
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机译:光纤激光系统,反射电阻评估方法和反射电阻改进方法,以及光纤激光
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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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