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These are just my first Beam Shots ever... I never could figure out how to get a good beam shot so I spent a bit looking through my cameras manual at the features :fightin:. Anyways here they are. Laser Diode: Nichia A140 445nm (purchased from Stonetek.org) @ 940mA w/AIXIZ Glass 445nm Lens...

Ok i had noticed that on my new 445nm build that there was a distorted spot in the middle of the beam that could clearly be seen. I though it was just the aixiz acrylic lens that I was using since it didn't show up till a few days after building it so I figured the lens Just started to melt...

This is my latest circuit for my 445nm A140 Diode. I am posting to give ideas maybe to people looking to build a linear driver. I am also looking for any suggestions for next design (anything to add or change). Parts: -LM317t Adjustable voltage regulator attached to TO-220 Heatsink using...

Hello everyone this is my first post as i just joined yesterday. I have to say I love the forum. I have always really liked lasers but just recently have made a few attempts at making my own DVD burner laser. Unfortunately I made three failed attempts to date until now finding this forum. So...