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Laser Beam Profilers Videos

Focus shift monitoring of high power lasers

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Measuring the focal spot of a high power laser is challenging, at best.

The main issue is that when a high power laser is focused down to a small point, the power density can be extremely high, typically high enough to damage any sort of measurement equipment you would use.

The solution?

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Let’s be honest.

We’d all just prefer that our lasers always worked exactly as they’re supposed to.

Who really wants to measure their laser, when they can just be using it instead?

However, like all processes, a laser must be controlled to be used efficiently, and it must be measured to be controlled (and used) properly.

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With high power lasers, there’s always a safety concern for equipment and people nearby.

(Of course, I’m not qualified to give a detailed analysis of what needs to be taken into account for laser safety. For that, you should consult a laser safety officer.)

I want to specifically ask whether there’s an issue of laser light reflecting off power measuring equipment.