Using a Laser Beam Expander – How and When?
Before I get into the ins and outs of correct beam expander usage, you’ve got to know when you need […]
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Laser Beam Analysis
Recent updates and news in the world of Laser Beam Analysis
Stacking ND Filters: The Right Way and the Wrong Way
ND filters are a great way to get your laser down to a manageable power for beam profiling. But what’s
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Here’s How Klaus Hansen Measures his Laser
We are proud to announce that Klaus Hansen is the winner of our Facebook beam profiling image contest. He entered
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What Is an ND Filter? How You Should (and Shouldn’t) Use It
Short answer: A neutral density attenuator. Meaning? Long(er) answer: A filter that attenuates all wavelengths equally. Well, that’s an ideal
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High Power Laser Beam Profiling:A Day in the Life of a Laser Cutting Technician
Adam is a laser technician in a steel processing shop. His job is to make sure the YAG laser system
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How to Profile an Ultraviolet Excimer Laser
Ultraviolet excimer lasers are important for many applications: primarily medical and photolithography, but not exclusively. Measuring them, however, is not
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How Accurate is BeamGage?
So, you measure your laser beam and get this very pretty 3D display of its spatial profile. Awesome!
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When Can You Use a Scanning-Slit Beam Profiler for Pulsed Lasers?
Scanning slit profilers (such as Ophir’s NanoScan) boast several advantageous qualities, such as the ability to measure high powers without
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How to Measure Laser Beam Width Regardless of Power Density
A typical concern when using a laser cutting machine is how to be sure the laser is optimized for the
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How to Profile Very Small Laser Beams
There are a few issues that come into play when discussing narrow laser beams: accuracy, saturation, damage, and more. I’m
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An Easy Way to Measure M-Squared
What is M-Squared, you ask? Basically, it’s a measure of how well your laser beam focuses, or more accurately, how
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The Truth about Laser Beam Profilers: Camera vs. Scanning Slit
CCD and Scanning-Slit Beam Profilers Many people will profess to speak the truth, but few are really in a position
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