Once it passes through the lens there is a focal point, past the focal point the power drops off very quickly. Lasers are not very useful without a lens. IR is a very wide range of frequencies… my ir fiber would probably go right through them. They supposedly are made from polycarbonate, polyester plastics. If your co2 is ir, then how could it possibly cut them?. Gels are completely transparent to infrared light … A CO₂ laser deposits enough concentrated energy to cut them just fine But since there is no guarantee, I have another filtering film behind it and still wear my glasses (full certified ones OD8+, $140) if I continuously stare through the window. That being said, I use orange 2C04 Plexiglas GS for my windows, since it should filter the range of 455nm. Because those materials are not meant to be used like that (otherwise, they would be certified). And nobody and no supplier will give a guarantee. Though, regardless of what people tell you, there is no guarantee that you won’t harm your eyes using it. This has NO certification and therefore will NOT provide the same safety level as the “correct” one. A camera and a monitor will be fine as well. Buy the certified one, or leave no window at all. 50 pounds already sounds good, the usual price is about $200 for a certified screen of 20x30cm. If you really want to have a safe, full protecting window, then you need to invest that amount of money.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |