FIG. 1 shows the continuously profiled probe beam in profile direction.
FIG. 2 is a top view.
FIG. 3 is a side view.
FIG. 4 is an enlarged cross section view indicated in FIG. 1 by section line 4—4.
FIG. 5 is an enlarged cross section view indicated in FIG. 1 by section line 5—5; and,
FIG. 6 is an enlarged cross section view indicated in FIG. 1 by section line 6—6.