Recent content by andyman

Here ya go as promised. Ran the test for 5 min. Actually ran it for much longer . I lost track of time then I realized the software actually doesn't stop. The laser was warm but not hot. And it looks like power output increases over time if starting from cold. That just tells me I have...

Not exactly my long term report but I have to say for those who are looking to do the same. 5W has solved my problems. I am able to vaporize the tissue of those pesky aiptasias and I can say with certainty that the big ones that were not deeply embedded in the rocks or in a crevice are...

Well just an update. I just upgraded this build with 3.5W NDB7A75 445nm Laser Diode from DTR. Using the 3A xdrive. My LPM measures 4.5W and I can still run this thing continuously. Heat seems to be properly managed but I only tried a 5 min test. A little afraid to go longer due to cost of...

yea the whole thing is installed into a custom heatsink with the regulator soldered directly to the diode. I guess if the diode gets too hot and requires this extra cooling then I'll figure something out and move the regulator else where.

Just received the module and I got a question. Is the copper heatsink the diode is pressed into epoxied to the aluminum barrel screwed to it? I can't seem to unscrew it.

i'll take it! i'll send u a pm

will you be selling your NDB7A75 with the drivers? Would be easier to source everything from one location.

So what drivers are you folks running this with to get 5w output?

Oh just saw the NDB7A75 on DTR's. 5W is nice. Anybody use those? I can definitly just swap this diode into my maglight build. But what I noticed is , how does one supply 4.4A @ 4.7V to this? Don't see any drivers that can go up that high. And the divergence looks pretty wide.

5w diode? I'll have to check DTR but what would be ideal is 2 5W diodes !! I want 10W+ But I'll settle for 7 or 8. To be honest I don't know how much I need, I just want as much as I can get with long duty cycles. Basically I don't want to have to worry about burning out the laser because I...

I've already built a waterproof laser. Problem is there are certain spots I can't get to due to length of the laser. Also I get pretty lazy and a lot of times I prefer to zap them during commercials when watching tv. It would just be nice to have a super high powered laser for this. So...

I've built a couple host now for killing pest in my fish tank using 2.4W lasers and what I'm finding is that the pest have deep tissue layers. I can burn off the top but I just don't have enough power to burn off lower layers. They keep regenerating! So what I need is more power. Does anyone...

its not icecream! 5 min in salt water isn't gonna harm anything. My SPS corals don't seem to notice the effects. And I don't see any corrossion on the aluminum (i follow up with fresh water baths after every use). I think based on my LPM graphs, cooling fins would definitely give me more...

To follow up with my previous requirements for killing pest in a reef tank. 2+ watts of 100% duty cycle lasers in the 445nm spectrum. I should be able to leave it on until the batteries die. First I have to give credit to DTR for shipping those modules out so fast. I've killed a few modules...

thanks for the batteries. These are the same ones I used in my Maser build. 1HR continuous test for 2.7w laser with no problems. Shipped fast and works perfectly.