How can I tell if my laser source needs to be replaced?

The easiest way to figure out if your laser source needs to be replaced is to try some sample cutting. In the cutting mode, the laser is going to be at maximum output. The manufacturer of the system has some recommended power settings for certain materials – start with those settings. If you have to slow the speed down to cut through the material from the manufacturer’s settings, then I would say your laser source is weak. It’s pretty simple to check or you can use a power meter.


Mike Fruciano

Mike Fruciano

Mike Fruciano is the Distribution Sales Manager - The Americas 3D Printing & Laser Systems at Coherent Inc. Mike brings 25 years of laser systems, laser processing, and materials experience, and is a frequent writer and speaker on these topics. Contact Mike at 602-616-4971 or at

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