adjustable pulse width 、Different colors can be print
language：English
language：English
adjustable pulse width 、Different colors can be print
The pulse width and frequency of MOPA laser can be adjusted in a wide range. By adjusting the laser pulse width and frequency,transparent oxide film and colored oxide film can be obtained on different metals. Ordinary fiber laser vaporizes or oxidizes the material surface through high temperature thermal effect, which can only form burning marks on the general metal surface, so it is difficult to form pure black and color marking effect.
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