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    How do you test your laser drivers?

    I use a Rigol DL3021 electronic load to test my drivers, but I'm also an electrical engineer so I use it for much more, and $500 may be a bit too much for a hobbyist. Alternatively, you could get a super cheap test load from amazon for about $30 but obviously the accuracy isn't as good though it...
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    Laser glasses tolerance

    If I had glasses that were rated for 400nm would they also protect somewhat against 405nm? I guess my question is how many nm +- is the rating for glasses of something like eagles?
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    Here comes a new member!

    I'm looking forward to joining the community! Glad to see everyone here is friendly and I'm looking to expand my knowledge with you all :)


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