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针对激光加工用大功率激光的特点,分析了国内外现有的几种大功率激光光束诊断系统的测试原理和性能。详细介绍了一种能对大功率激光光束光斑在线测量的诊断仪。
According to the characteristics of high power laser used in laser processing, the principle and performance of several high power laser beam diagnosis systems at home and abroad are analyzed. A diagnostic instrument capable of on-line measurement of high-power laser beam spot is introduced in detail.