并给出了一定条纹可见度损失的情况下各部分的允许误差。

Given the loss of fringe visibility, the tolerances of defocus and tilt have also been obtained.

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对于理想的相干光，影响干涉条纹可见度的主要因素是光波的光强。

For an ideal coherent light, the chief factor that affects fringe visibility is light intensity.

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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；

With increasing beam separation, the number of interference fringes increases and the fringe separation and visibility decrease.

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