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Hi RA_pierce (and others), I bought a 2w To-3 mount 808 from snoctony here about a month ago, and I have a few questions ... (been too busy to do much with it until now). When I got it, I noticed that the top of the case is taped on (easily removable), is this normal? Also, I ask ahead of time...

Here is a link to what people generally use here, it is what slifer went by on his build: Laser driver - It can be done Make sure you use a good heat sink on the LM317 ... you can also use an LM350, has same specs but will handle the higher current better. Be sure to use a good size heat sink on...

First time I use PM on one of these boards, check your PM to see if I did it right.

Thanks wannaburn, this has been helpful for a visual of what I need to do, but unfortunately, this being the first 9mm build, I don't have a collection of lenses. I would by 4 or 5 different lenses to experiment with if I had a way of knowing in advance what can mix & match, but I am currently...

Thanks wannaburn, already got the goggles on order, prolly be here before the IRs. Would it be possible to direct me to further info on that pic, and perhaps a place to find them, I have searched literally hours and hours, and came up empty. If you can't post it here, you can send it to my...

Hope billlg519 sees this thread as he appears to be the IR expert, maybe he can at least direct me somewhere to at least see what a FAC for one of these looks like, so I can at least see what challenge is facing me. Would be nice to know what he has done to tackle this dilemma.

Need a tight beam, preferably as far as 25-30 ft, the less the distance, the harder it is going to be to work it out. Basically need to cook some different particles to check reactions ... testing some bizarre theories I have in quantum mechanics that may be related to the quarks, leptons, and...

Too bad these VHG-FAC lenses don't exist in the real world, tons of info on them, but not a single place in the world has them. :mad:

As in address, I was actually referring to the URL, I should have been more specific ... I'll see if I can find them on eBay, thanks for the tip.

hugo999999, Thanks for letting me know those were the 5.6 mm, I was still waiting on his email to confirm that, so I am glad I didn't order them (just the diodes). Also didn't realize the lens/housing assy went inside the heat sink, was thinking the diode went directally in it ... that clears a...

hugo999999, Actually not total beginner to lasers, just to building them. I have worked with hi-powered lasers in the lab, but the safety equipment was provided, I didn't have to find out what rating I needed. Thanks a million for the 4 OD recommendation, I'll prolly exceed it a bit (now if I...

Hi all!, What an INCREDIBLE site this is, I have been searching the net for 4 days, reading all sorts of things, then I found this site about 6 hours ago and learned 10 times more than I did in the last 4 days! I too am setting up an IR Laser, I am going to use the 1 Watt 808 nm, I just have a...