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Well, I know what I did, I gave it too much juice on my LM317 test jig, is what I did. But more specificly, it still works, and makes as much light as ever, but it no longer has that "cluster" pattern, that it did, it looks blurred, now, and doesn't focus correctly. The glass window on the diode...

Ditto, no doubt. This explains a lot.

Thanks for the info, I'm learning still, I can admit it. I'm glad you pointed that out before I built another inappropriate dummy load, since it looks very much like I was about to just that.

I finally understand the importance of, and have constructed a dummy load (thanks, everyone!!). Let me start by saying that it's constructed wrong, that is, I hurried one together from what I had, which were 4004 diodes, and not 4007 diodes (I ordered some), mine measured a drop of something...

The diodes I got included the coated lens from the dlp projector. Is this good for anything? I have been messing around with that, and a wideband glass lens frame, but I can't find any combination that works. I realize that this is in the largest part, because I don't have even the foggiest clue...

Did you know that the man who invented your host, thought it was worthless, and gave the invention away? It was a man named Lionel, who was more interested in his toy trains.

I'm working on the same thing, and at this point I am working on a dual wave version, where I can switch between the IR and the Red diodes, the latter to assist aiming, since these will collumate into the same beam. I got the diode from a PHR-803T to work, but I think I burned that one out...

I just use my digital multimeter's lowest resistance scale. Diodes, by deffinition, only conduct in one polarity, so some combination will have continuity of a couple of ohms or so, and the wrong ones will show open. It has a diode testin mode, too, but I don't know how that would work for a...

Will either of these have enough power to say, light a cigarette? I really want to integrate one into one of those Star Trek toy phazer pistols, and carry it as my lighter. If the cops should shake me down, they always ask: "do you have any weapons on you?". Then, I'll present them the phazer...

I have an AW210 sled, and an 803T sled on the way, these diodes are all 5.6mm cans, right? What is the difference between the 803t, and the 805t? I intend to search out the pinouts, next, but in case I don't find those, can anyone give me a hint?

Thanks for the tip! As it happens, I have a dead rsod 360, and I didn't realize that there was a 405nm laser in the sucker. Needless to say, I want it. It's got a DG-16D2S drive in it, don't have it all the way apart yet. Imagine the most complicated chinese puzzle box ever designed, just to...

Laser Diodes | Opto Electronics | ROHM CO., LTD. But where to buy just one? Hmmm......

Does anyone happen to know a part number for one of these? I don't mean the new on pcb type, but the older kind, the ones that can fit in a standard module housing. I need to find one for a poject, and I have seen a couple, I haven't been able to find another one, lately.

confirmed, it took it, and still works.

Thanks, that was it, allright. But this laser won't burn anything, I have a 5mw 808nm module that seems just as powerful, oh well. You get what you pay for, I guess.

I got another one of these, and I can't get this one to work, either. Is the pinout different than ordinary? I built my own driver, with a variable voltage wired LM317 feeding current control configured EZ1085, which I used (wired the way you would for an LM317, the pinouts are the same) because...

Now why any private citizen would buy one of these, is beyond me, but appearantly, you can buy a handheld miltary targeting laser on ebay. Insight ATPIAL AN/PEQ 15 IR Laser PVS ANVIS - eBay (item 290448956929 end time Jul-26-10 17:50:00 PDT) Don't be misled by the fact that it's not mentioned...

Hello, I'm brand new to home/hobby lasers, and laser pointers. I do, however, have some experience with military lasers, in the Army, I was a fire support specialist, attached to a brigade HQ company (highly classified). The targeting laser we used in the field was a 5,000 watt, Co2, laser...

I got one of these today, and I don't think it works. I soldered it to a module board that used to support a 25mw 780nm laser, but has a pot on it, and in addition, I added an led in paralell, to check the circuit. I'm using a gen 1 night vision scope to check it, and it doesnt seem to do...