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I'm looking into building a laser x/y plotter of my very own while hoping to spend as little money as possible, this is why i'm looking to use a diode from a dvd writer or similar rather then buying a high quality lab laser. Idealy it'll be something like...

While hunting down what the markings on a few SOT-23 packages were, i stumbled apon this site. http://www.angelfire.com/electronic2/rch/smt0.html It has an almost complete listing of all markings linked with the real device id and manufacturer. I remember seeing a thread where someone was...

I'm looking for information on how to build a tiny 3v driver circuit which i can use to power a red or ir (green) diode. I'm trying to fix a few broken green pens by replacing the diode (808's from stonetek) and the driver. The pens take 2 AAA batteries, but with the diodes needing 2.9v the...

I downloaded a Sanyo laser diode catalogue thinking it'll only have some info about what they are pimping this year, but it turns out it contains alot more intresting info. www dot photonic-products dot com/techinfo/sanyo_tech/sanyo_catalogue2008.pdf (i can't post proper links yet) It has alot...

I've been browsing this forum for a while now learning loads on lasers and thought it was finally time to register so i can ask a few questions and get some advice. I've currently got 3 lasers, a tiny red (probably 1mw) and two greenswhich were rated at 50mw and 240mw. However, they were bought...