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zemax手册里有这么一句话,If the peak to valley OPD is less than one quarter wave ,then the system is said to be diffraction limited. %S^ke`MhF
请问这里的peak和valley是指的谁的?OPD又是指的谁的OPD?是一个光点发出的不同光线的OPD吗?还是理想波面和实际波面的光程差(也就是波相差吧)? 请大神明示!!!! #^RIp>NN9
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