Hi all, as many of you, I've also purchased fiber laser (which should arrive on the beginning of next year) and the main use for it will be marking stainless steel and aluminum. In fact, I don't have any experience at all about the fiber laser and I don't know anything about the risks of the fiber laser, only what I've read about it. I've thought to build some movable protective wall around the laser because I have quite a lot visitors in my work shop and the location for the laser will be in open space. But my problem is that I don't know what material I should use to avoid the reflection of the beam through the wall (of course I have purchased also some extra safety glasses for the customers use, but still I'm a bit afraid of some too eager customers who would like to see from the side when laser is working - even any one or two meter high warning sign is not enough in some cases ). I think that regular polycarbonate is not good enough as it is with CO2 laser ? I believe this issue has already discussed here, but so far I haven't find any specific discussion from this matter. I would be grateful for more detailed information on the right material.
Best regards,
Hannu