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    Just a lil idea low cost laser cutter

    we all know dvd burner lasers well the strength and class are fairly easy to source decent quality lasers, some people have made laser etchers even ones that can burn into wood a bit, but there are 3 things here that are factors, #1 power limit (those diodes run at about 200 to 250mW max #2...
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    optics to combine focus lasers for cutter/etcher

    I've been having this idea for a while, but at this time I am really stuck, most lasers I've seen don't really have a really small focus , and the higher power ones are really expensive. I was thinking there are laser diodes out there in the 300 to 500 mW range and well there are two problems...
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    How to modify this circuit to do what I want.

    Here is the original circuit led hoops circuit to work with this laser what I bought oneBay Anyone here can help me while keeping it as simple as possible. I have 1103CA's that I could use with the circuit, but I also have mpsa25's which are darlington's which could cut one transistor...
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    aixiz lasers do those $12 modules on ebay have driver circuits inside

    I just wanted to make sure those sealed modules with the two leads coming out do they have a driver board inside and what voltage do I apply to it. these are the ones I ordered : 635nm 5mW Laser Module 3 2VDC Adjustable Lens 635 | eBay terramir
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    Hightechdealz lpc815 laser sled

    Anyone buy the LPC815 laser sled and can tell me which laser is which? I have photos in this google+ album since photobucket is broken for me here it is can someone tell me which of these is the lpc815 and which one is the other laser? Also if you know something about the other laser I'd be...
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    dvd burner laser and lenses question.

    hi, I don't want to make a laser pointer it's a etching application, been thinking the tracks on a dvd have a track pitch of 0.74 microns and a minimum pit length of 0.4 microns been thinking shouldn't I be able to use the stuff from dvd burner mirror, etc in order to focus to a really tiny...
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    5mw 650nm aixiz module how dangerous is it?

    Hi, I bought some safety glasses off ebay, these were on sale because they were not perfect, (last pair they had). But usually they charge around 60 bucks for these according to their prior auctions. Anyways here's my question before I mess with higher powered lasers I want to make sure these...
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    diode recommendations cheap but 1W +

    Happy New Year, I bought myself ir and red blocking glasses so stuck in that wavelength. My goal to burn paint (no no not graffiti create etching masks with little cnc box I'll build) need about a 1W laser but here's the kicker I need to be able to focus it down to a really tiny dot >0.1mm also...
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    need some help shopping ;) about focusing down a laser diode

    thinking about buying these (link here) and I already bought this: AixiZ module. Now those laser diodes (i'd be using one the other would be a spare) create a line shaped dot which I will want to focus down to like a very small dot (round if possible) if I can get it down to 0.1mm diameter or...
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    will these be sufficient to experiment with a 1W 808nm diode?

    Hi I'm terramir, new here and well I want to do some experiments with a 1w or 2w max 808nm laser diode. impulsively I bought this ebay link here figuring safety first. ;) long story short will these be sufficient to protect my eyes and how do I make sure without endangering myself since 808nm is...




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