I am as new to laser technology as it comes; but I am interested in making a super high powerful laser that will be handheld, in a knife edged configuration using 4/ 6w NUBM44 450nm, my question is: is there a driver made that is small enough and powerful enough to handle all 4 diodes? Or would using 4 X-Buck 4.5a drivers be recommended. I know that a lot of heat is going to be generated but only looking to do 10 second cycles with 30 second cool downs, also a cooling fan will be introduced into the build. The other question is: After I align the laser beam what kind of glass should I use, a beam extender, do I need to use a like magnifying type of glass to bring the beam together to make a more defined point, is there a glass like a G2 that can be used to adjust the beam? Like I said I am really green to this, I am going to machine my own host and give it a try, and see how it turns out, I will post pics. Thank's