Based on laser threshold value method, central wavelengths of two kinds of phosphate laser glass used in high-power solid-state laser segment amplifiers are tested.

利用激光阈值法对两种应用于高功率固体激光片状放大器中的磷酸盐激光玻璃的中心波长进行了实验测试。

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Laser energy value of threshold with different gas component and flux were studied, and the reason of different threshold values was analyzed.

研究了不同反应气体成分及流量下的激光能量阈值，并对能量阈值不同的原因进行了分析。

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Results show that NAB micro laser has lower threshold value, higher energy gain and transformation efficiency.

结果表明NAB新型微型激光器有较低的激光阈值，较高的能量增益与转换效率。

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