Figure 2
Top view of the interferometer set-up. IFM = interferometer; WLI = window for the incident beam on the LLL; WLO and WLH = windows for the O and H beams, respectively, from the LLL; WBI = window for the incident beam on the BBB; WBO = window for the O interference beam from the BBB; PZT = piezoelectric disc translator with epoxied Marcor hemisphere. The one-axis stage and the wedge attached to it are not visible in this figure, although their positions are indicated. |