暗化是一个汉语词语，读音为àn huà，意思是在不知不觉之中受影响而发生变化。
threshold glass darkening femtosecond laser
阈值 玻璃 暗化 飞秒激光。
参考来源 - 飞秒激光作用下光学与激光玻璃的暗化阈值测量 Thresholds of Femtosecond Laser Induced Darkening in Optical and Laser Glasses·2,447,543篇论文数据，部分数据来源于NoteExpress
暗化程度和折射率改变随激光强度、扫描速度、扫描行间距变化而变化。
Darkening and refractive index change varied with laser intensity, scan speed and line interval.
如此厚重的光环降低了流星撞击引起的暗化效应，因此也可以用来解释目前光环亮度的问题。
Such massive rings would be less sensitive to the darkening effect of meteoroid bombardment, thus explaining their brightness today.
对不同辐照条件下近红外飞秒激光在K9玻璃内部诱导产生的暗化现象和永久性折射率改变进行了实验研究。
Femtosecond laser induced darkening and permanent refractive index changes in K9 glass under different radiation conditions were experimentally studied.
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