Repair of 808nm laser handpiece - replacement of 300 watt 6 bar stack.

This article is about repairing an 808nm diode laser for hair removal . A customer had a complaint - the flashes stopped coming. A visual inspection was made and a burnt stack was found. In this repair in the handle of the diode laser for hair removal stood laser stack 300 watts 6 bar. In the photos you can see the burned laser bar (black soot) and the part that was selected for replacement.

The main causes of diode stack failure 808mn hair removal laser handle.
1. Overheating, which melts the solder inside the laser stack and the laser bars literally blur from their contact locations. I would like to point out that heat is generated when the laser pen is operating. The heat is dissipated with the help of water. The water must be cooled. In the cheapest units, the water is cooled as it circulates through the radiators. The expensive units have a compressor with Freon. THE IDEAL WATER TEMPERATURE IS 23 DEGREES CELSIUS. THE HIGHER THE TEMPERATURE - THE FASTER THE LASER STACK WILL FAIL.

2. The second reason is a problem with the electronic part. For the normal operation of the diode stack must come a certain electrical signal of a special form. For 1 bar no more than 1.8 volts. If there are problems and voltage spikes, the laser bars will burn out.
3. mechanical damage. One of the problems is broken glass on the diode stack.

Visual example of an 808nm diode stack failure. Next to the new stack. For ordering new ones and consultations +79180110234

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