A new method for measuring runner blades of hydraulic machine, known as the fine moire pattern, based on principle of optical interference is introduced.
本文介绍了一种利用光学干涉原理检测水力机械叶片的新方法，即密栅云纹法。
An optical profilometer, based on the principle of the differential interference microscope, has been developed.
提出了一种基于微分干涉原理的光学形貌仪。
The principle and characteristic of excited light source, interference optical filter, transmission optical fiber and optical detector are discussed.
论述激发光源、干涉滤光片、传输光纤、光探测器的原理及特性。
We analyse the physical origins of this performance is the self-imaging principle in the multi-mode region, this kind of multi-mode interference may find potential application in PC optical circuits.
我们分析发现造成这种现象的物理原因是多模干涉区的自成像效应，这种多模干涉在光子晶体光学集成电路中具有重大的潜在应用价值。
The principle measuring the spatial coherence and the temporal coherence of the optical field by Young's interference arrangement and Michlson interferometer respectively is described.
本文叙述用杨氏双缝干涉装置测量光场空间相干性和由迈克尔逊干涉仪测量光场时间相干性的原理。
The principle measuring the spatial coherence and the temporal coherence of the optical field by Young's interference arrangement and Michlson interferometer respectively is described.
本文叙述用杨氏双缝干涉装置测量光场空间相干性和由迈克尔逊干涉仪测量光场时间相干性的原理。
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