The micro-assembly process calls for the placement and bonding (align-&-attach) of single emitters, or multiple laser diodes (stacked or complete bars), the placement, active alignment and bonding of necessary micro-optical elements, subsequent device testing, and ultimately. The micro-assembly process calls for the placement and bonding (align-&-attach) of single emitters, or multiple laser diodes (stacked or complete bars), the placement, active alignment and bonding of necessary micro-optical elements, subsequent device testing, and ultimately. The purpose of this laser diode tutorial is to provide the information necessary to create a long lifetime, stable laser diode system. Much of what will be discussed will be in general terms of laser diode performance, warnings, and tips. Much of the specifics are left to the user as any system can. Trying to array 50 X 3 volt, 20mA, 650mw red laser diodes (pre-installed 330 resistors) Some say series, some say parallel. 4 in series then paralleled the 10 strings. Powered by 12 volts, 1 amp wall wart. The diode laser module (5W, wavelength 450nm) can be used simultaneously with the original configuration of the CO2 laser.