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I acknowledge that copper is a better material. In the case I'm talking about, the savings over copper is only $14, but I stick by the opinion that the copper's performance does not provide better value than the aluminum. If we were talking copper fins vs aluminum fins, maybe. However, in our...

Keep in mind, I've never possessed a high powered laser. My background is electrical and software engineering. Of course, theory doesn't always translate to reality. (And please forgive my sensationalist title)

I think that the standard aluminum heatsink (link) is a better value than the extended copper heatsink (link). I'll argue that cooler temps can be achieved with the aluminum heatsink by improving the thermal interfaces between the diode/heatsink and the heatsink/host than with the copper...

I've had a really great discussion with forum member Philipd7 (link), who has been a tremendous help. I asked him if we could move our discussion to this thread so others may have the benefit of his experience. If his comments helped you in any way, please add to his reputation! Here is our...

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Thanks for the feedback. I decided that I'm gonna go with the M140 because it's just a few more bucks. ABarnett suggested going with a higher current than 1.5A, so it sounds like the best thing is to go with a 1.8A driver. What do you think? Will that high of a current degrade the diode quickly...

Hey I'm looking at this post (link) and I want to use it as a guide to build my own laser. I'm trying to make sure I've covered all of the items I'll need. - A140 1.5W, 445nm, 5.6mm diameter diode from ABarnett (link) - Bargain No-Diode Host Bundle from Survival Laser USA (link) - 12mm Diode...