Recent content by burgh

Hey Guys This weekend I bought one of those cheep little key chain with the interchangeable tips and I defy you to tell me what the design of the projection is by looking at the lense in the tip. The one thing I found is that the lense is plastic and the design even with a large magnafying...

Thanks Chuck Thats exactly what I was trying to find out. Don't worry the holographic diffraction grating wasn't to hard to understand. Where can I find a suppler or maker. I actually have an industrial application that I want to explore. Again Thanks

Hello all I signup to this web site to specifically get some help/education on some laser pointer basics. I know the laser dot and the laser line are the traditional forms of laser pointer, like what you see in any home improvement leveling tool. From looking at my own laser level I see that...