Smolka F M, Brown T M, Hill H A
Appl Opt. 1976 Oct 1;15(10):2423-7. doi: 10.1364/AO.15.002423.
The corner cube interferometer employing extended sources requires very good transverse alignment of the retroreflector if the optical path difference is not to vary across the field of view. It is shown in this paper that this problem can be eliminated by the addition of a plane mirror to the interferometer forming a double pass system. For a single pass instrument, it is shown that the sensitivity to alignment errors may be exploited to obtain a powerful method of monitoring in three dimension the motion of a point otherwise inaccessible. Details of the expected performance of this method are derived.
采用扩展光源的角锥棱镜干涉仪，如果要使光程差在整个视场内保持不变，就需要后向反射器具有非常好的横向对准精度。本文表明，通过在干涉仪中添加一个平面镜形成双程系统，可以消除这个问题。对于单程仪器，研究表明，可以利用对准误差的敏感性来获得一种强大的方法，用于三维监测一个原本难以接近的点的运动。推导了该方法预期性能的详细信息。
