With increasing beam separation, the number of interference fringes increases and the fringe separation and visibility decrease.
随着光束间距的增大，干涉条纹间距减小，条纹数目增多，条纹可见度减小；
A detection system for counting shift number of interference fringe is established.
在检测系统中实现了对干涉条纹移动量的计数。
A detection system for counting shift number of interference fringe is established.
在检测系统中实现了对干涉条纹移动量的计数。
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