isopachic

1.Using this method, isopachic fractional fringe orders can be measured with compensator, and the parallax and drift of fringe pattern can be eliminated.

用这个方法，可以通过补偿器测定和线分数条纹，可以消除条纹图案的视差和浮动，全息底可以用白光照明再现干涉应力图像。