干涉条纹数
the rotation of compensator can cause the change of optical pathlength, and the number of interference fringes will change simultaneously.
补偿板的转动会引起光程差的变化,产生干涉条纹数目的变化。
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;
with increasing beam waists, the number of interference fringes increase, but the fringes separation and visibility change little.
光束束腰半径增大时,干涉条纹数目增多,条纹间距变化很小,对条纹可见度影响不大。
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