Hey! I just wanna say that i made my first laser :D
It's a blu-ray laser, i used a PHR-803T diode for it.
It's set at 100mA, so i guess it's putting out ~92mW. It can burn a bit on many surfaces, but not very much. Can make scratches etc. :)
It also stings my skin :P
I'll post some pics soon :D