I don't know if you have all the answers you want but this might help, disregard any posted power ratings for a DPSS laser diodes, thier output depends entirely on the psu for the doide and how much the Ma output is set for, you could line up 10 identical laser scanners and get 10 different readings, especially the Far eastern made units, each laser diode should be set to work below 80% of its maximum output but smetimes the psu is set wrong and they will run at upto 150% of their rated power, this however will reduce the diodes life span,,,,,a lot,,,,, bearing in mind that we ask the diodes t