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激光器的模式
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激光器的模式
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激光器的模式
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laser mode
激光器的模式
无论是闭腔或是开腔,都将对腔内的电磁场施以一定的约束。一切被约束在空间有限范围内的电磁场都只能处于一系列分立的本征态,每一个本征态具有特定的振荡频率和空间分布。通常将光学谐振腔内可能存在的电磁场本征态称为腔的模式。从光子的观点来看,激光模式也就是腔内可能区分的光子状态。
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