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Thanks, yes, I am sure it can be done, it's just that I need something that switches off the strong and dangerous laser when interrupted and switches it back on when clear. A laser alarm system just sounds an alarm (which could of course be used to switch off the laser), but how then determine...

I am trying to use a laser for decorative reasons along a wall. It has to be pretty strong, trying to make a big pattern along the wall with various mirrors. Now someone could come in put a mirror in the bean which reflects and could blind someone. I was wondering if anyone knows about an...

You need yellow with blue to create a white light. Otherwise, it looks blueish cold.

What is white LED lamp's phosphor? Do you have a link what you're referring to?

Thank You. I did a quick estimation, and I came to the conclusion that they must be at minimum 2W, but probably something closer to 5W each!!! Any idea what's the strongest laser diode in 455nm you can buy today?

Thanks for your post. Any idea then how to combine multiple laser beams into one? Next challenge then is of course not to burn the phosphor. Any recommendations on lenses / lens combinations for focus adjustment.

Thanks for the post and the link. Impressive. Could you please tell us where you bought the phosphorus strips you mention? I seem to have trouble locating phosphor that is really lighting up, and generating real white light. I have a few lasers (300-700mw) between 405-455, and they just make...

Hi, Anybody knows where I can find instructions to build a white laser, e.g. by combining the beams of three different lasers? What do I need to do this? And is there somewhere a optical diffusor I can point a white laser to that would spread out the beam so I can use it as a flashlight as...

Hi, I'd like to rebuild the BMW i8 headlamps, and use them for off-road use on my car. Anybody has an idea where I could get the components needed? According to the Popular Mechanics article below, there are three laser diodes (455nm likely). I figured I would need a) a prism that combines...