Alin wrote: Strange, I thought there is nothing to focus about lasers, after all those are in-phase, rectilinear beams with extremely low dispersion!? Could it be the so called focus procedure is rather an alignment process to insure the three laser spots overlap?
Servus, Alin That is correct, though I believe they call it focus. You want all three lasers at the same point or you get a kind of fringing effect similar to what you described responding to Rob. Butch
