What types of power meters are available to measure the output of a laser?

If you want to determine your laser output, you can measure it by using a laser power meter. There are two types of laser power meters available – both are fairly pricey. One is a digital meter, which has proven to be reliable for multiple readings (and the most expensive). The other is a heat sink type, which looks like an aluminum block with a special thermometer in it. Both will work, but I recommend the digital one because it is what most laser system and tube manufacturers use.


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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