Deming said – “You can’t manage what you don’t measure”.
There are all kinds of lasers being used in manufacturing of high precision, high reliability parts that need consistency.
But there’s a disconnect.
The first thing you learn about a laser beam is that its output is like a light bulb, constantly changing.
Then why is it that manufacturers mistakenly assume they don’t need to measure their beam? Deming. https://www.ophiropt.com/laser-measurement-instruments/beam-profilers/knowledge-center/tutorial/deming-must