Recent content by Spikey

Thank you for your reply. What I don't understand though is why a coherent light source is so divergent, whereas my laser from 15 years ago seemed pretty good. Do the beam expanders allow you to simply focus the beam on a specific point? Thank you so much for your reply. This answers many of...

Hello everyone. Firstly can I take the opportunity to thank all contributors for your rich knowledge and the constantly helpful reminders about safety. About fifteen or more years ago I bought a Laserglow Aries green laser. (at least I think that's what it is) It's recently died on me, so...