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    Question about laser mw ratings

    Thanks for the replies! It's making more sense to me now. Just to be sure I understand this in the simplest of terms. In the pic below, if he turned around and got hit in the eye by part of the laser line, would it be much less severe than being hit by a laser pointer dot of equal mW? How do...
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    Question about laser mw ratings

    Is aperture referring to where the beam is emitted from the laser or is it referring to the aperture of the eye (pupil)?
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    Question about laser mw ratings

    The laser line covers more surface area than a laser pointer concentrating all of its energy on one pinpoint spot. Does this mean a laser line is less damaging than a laser pointer of equal power? To put the question into context, which would be more likely to cause eye damage. A 5mW 650nm...
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    Question about laser mw ratings

    Hello, this is my second post on the forum. I searched google for 8 hours trying to find a specific answer to this question. I want to know about line lasers and their mw ratings. How are they measured since the beam is spread out and not concentrated on a spot like typical laser pointers...
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    Laser Line Safety

    I'm worried about the built in lasers on my construction tools after reading on here and wikipedia about the risks of eye damage from exposure to class 3a lasers. I have a drill press with two red line lasers class IIIa. They come together to form an x/y axis on the drilling table which is shiny...


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