{"id":4462,"date":"2015-04-29T12:00:37","date_gmt":"2015-04-29T12:00:37","guid":{"rendered":"https:\/\/www.ophiropt.com\/blog\/laser-measurement\/?p=4462"},"modified":"2024-09-19T11:23:05","modified_gmt":"2024-09-19T11:23:05","slug":"improve-your-laser-marking-process","status":"publish","type":"post","link":"https:\/\/www.ophiropt.com\/blog\/improve-your-laser-marking-process\/","title":{"rendered":"Improve Your Laser Marking Process"},"content":{"rendered":"

Lasers are amazing.<\/p>\n

They can cut or weld, drill or solder.\u00a0 A very general application of laser materials processing is called laser marking.\u00a0 This can refer to a host of processes, like etching, engraving, ablating, etc.<\/p>\n

Here\u2019s a question I never considered:<\/p>\n

How can you be sure that your laser will mark the wood (or plastic, or metal) and not burn the wood instead?\u00a0 Or cut it in half?<\/p>\n

I recently learned that laser marking companies use a two-step system: first an application engineer designs a process, perhaps with some trial and error.\u00a0 Once the process is perfected \u2013 for quality and efficiency \u2013 only then can it be moved to the production floor.<\/p>\n

The question is: how do you know the production laser is doing precisely what the engineer did with it?\u00a0 You don’t, unless you measure it.<\/p>\n

So, what should you use – a ruler?\u00a0 Perhaps a micrometer.<\/p>\n

Kidding, kidding, of course you can’t measure a laser with traditional equipment.<\/p>\n

But what exactly should be measured here?<\/p>\n

Since power density has the greatest influence on the outcome of the process, this is what you need to measure.<\/p>\n

Use a power meter to measure the laser\u2019s power and a beam profiler to measure the size of the laser beam.\u00a0 (Power density is power divided by cross-sectional area of the laser beam.)<\/p>\n

Make sure these parameters stay consistent, and you’ll be well on your way to a consistent, efficient, and money-saving process \u2013 the process your application engineer designed in the first place.<\/p>\n

Learn more in this article written by John McCauley, our product specialist.\u00a0 He used to be an application engineer for laser marking, so I\u2019m pretty<\/em> sure he knows what he\u2019s talking about:<\/p>\n

Measuring Beam Characteristics for Successful Laser Marking<\/a><\/p>\n

Flickr creative commons photo via\u00a0Windell Oskay<\/span><\/a><\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Lasers are amazing. 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