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DTR's Reviews/Tutorials/Modifications Compilation

TOExHEAD

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Forget that - you're going to blow up laser diodes left right and centre without a driver. The reason that lasers generally use one type of battery are that a driver is easier to design for a smaller input voltage range (i.e. 3-4.5V instead of 3-9V).

Edit: I'm pretty sure that these 510 thread mods did exist - Jnrpop has a big collection that he posted a thread of fairly recently. I believe the diode drivers were in the removable part - so you could have multiple threaded modules each with a diode module assembly /w lens and driver. Not sure where you'd get something like that now other than making it yourself...
I have had a 1w 520nm laser diode with a driver from DTR's shop for a while now and have been using 2x 18350's. I made a crummy heatsync out of a block of aluminum but it was not very great. I just connected the driver's leads to a switch and the batteries and it worked just fine. I was just looking for some recommendations for some good and sleek way I can have the laser diode, driver, heatsync, and battery compartment all in a nice portable package.

I don't know much about these vape mods so I appreciate the safety concerns and recommendations.
 

paul1598419

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I have an 1100 mW 520nm laser and I can tell you from experience that it produces a fair amount of waste heat. I put mine in an old sinner host, MS-SSW-II and powered it with two 26650 batteries. You won't want to put yours into a small host as it needs to expel a lot of heat. Maybe a copper heat sink if you are trying to save on space.
 

TOExHEAD

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I have an 1100 mW 520nm laser and I can tell you from experience that it produces a fair amount of waste heat. I put mine in an old sinner host, MS-SSW-II and powered it with two 26650 batteries. You won't want to put yours into a small host as it needs to expel a lot of heat. Maybe a copper heat sink if you are trying to save on space.
I do not plan on leaving the laser running for long periods of time, and a moderately short duty cycle is fine for me, I just want something I can fit in my pocket. Thanks for the advice.

Edit: And TBH I was so excited when i got my 1000mw 520nm, that my first heatsync was aluminum foil, thick gauge copper wire and thermal compound, as it was all I had on hand(I made it a super tight fit). I could run it for a minute or so before the heat became a concern.
 

paul1598419

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Mine has a large aluminum heat sink that gets warm to the touch at 1 minute of run time. The mass of a 22 mm aluminum heat sink is much smaller and will heat up much faster. But, it is your decision. I just wanted to warn you as you could lose an expensive diode and driver.
 

Immo1282

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A 12mm module with a 9mm diode in it, with one of the 22mm heatsinks. That's going to heat up damn fast - you'd be lucky to get 30 seconds of runtime before you need to let it cool. It's all well and good saying that you wouldn't exceed it but it's equally easy to accidentally forget, especially with seriously nice pretty beams.
 

paul1598419

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If you just have to use such a tiny heat sink, I would at least use copper. It won't give you more surface area, but will give you more thermal conductivity. I would seriously reconsider such a small host for this build.
 

TOExHEAD

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If you just have to use such a tiny heat sink, I would at least use copper. It won't give you more surface area, but will give you more thermal conductivity. I would seriously reconsider such a small host for this build.
If it ends up not working out, I will make a larger diameter copper heatsync out of a slug of copper or something.
 




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