If the warpage is on one of the mirrors instead of the frame, the max occurs when the mirror is perpendicular to the axis of rotation, +/- 45 degrees to the horizontal.
Or not. Terry On Thu, Sep 10, 2009 at 5:17 PM, Harry Veeder <hvee...@ncf.ca> wrote: > > I still find the sagging beam splitter explanation inconsistent with > what is observed. > > > As the beam splitter rotates into and out of the vertical > orientation this is when the supposed sagging is nil so the pattern's > movement should change direction during this interval. When the beam > splitter is oriented horizontally this is when sagging is at a maximum > so the pattern should be > moving the fastest. > > Where have I gone wrong? > > harry > >
