A new optical attenuation standard device developing based on coherent detection principle is presented.

介绍了一种新的建立在相干检测原理上的光衰减标准。

youdao

A new optical attenuation standard device developing based on coherent detection principle is presented.

介绍了一种新的建立在相干检测原理上的光衰减标准。

youdao