Figure 1: Schematic of the small divergence laser and the two designs. Figure 3: Experimental results of two devices of the second design. In summary, we have demonstrated, by a combination of ...

ABSTRACT.I describe a simple new method for collimating a Cassegrain telescope that gives near-perfect correction over a wide field of view. This method was used to collimate the 6.5 m MMT in 2002 ...