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This is one of the best, if not the best, of your options available. $26k https://www.civillaser.com/index.php?main_page=product_info&products_id=4583

Never know when to future proof in case you're insane and buy a 2w 577 like me. I ended up buying the 556 model of these https://alignment.laserglow.com/product/safety-goggles-fit-over-11/

Those from cni will not be handheld either

You'd have to build it or buy from a member who will build it for you. Only aware of 3 options you'd fit in a handheld below 400nm, and they're all just the bare diode without any heatsinking or driver board. 395nm - GH0393AA2G 380nm - Gh0382aa2g 375nm - HL37013MG

Bump! I have 5 of the 502's left still. I am also finished with the bins, and I have 2 of the more desirable 500.5nm diodes left. Asking $25/pc on those.

Just adding some evidence for the pump WL.

Didn't before but do now. 473/488/502/505/520. Camera can only do so well, so I threw on the colors as I see them at the top. And 532/502 specirfically And 502/505 as well to show even the camera picks up a difference: IMO, 520 to 505 is as different as 505 to 502

Giving this a bump to keep it in the recent posts at the bottom of the home page - also open to offers, I have more than I'll ever use. Also open to selling the remaining lucky bin I have @500nm for $25+shipping.

(reserving for more pics)

Howdy neighbor! Around the holidays I got an ebay alert for a listing with this image. 7w 488? OPSL?? Sign me up! After some talking with the seller, he also had a spare driver he was willing to sell me which is half the battle with these OPSL heads... and collimator... and high quality...

shipping is probably negligible at that point, but still that's a pretty big commitment for a small business. I'm in for two, if they are 12mm or smaller. Any bigger - something that wouldn't be pen sized - isn't that interesting to me.

I personally would be interested if the modules were smaller, I'd really like a pen sized true yellow.

30mW, your typical 505nm. There is a pot on the driver, though if you push them harder that will drive the wavelength up and defeat the purpose of these bins.

Spectro, all diodes are within +/-0.5nm Edit: More info. These are adapted 1.8mm frame diodes press fit into some brass heatsink which is press fit into a drilled out 12mm module. The solder points from the diode to the driver are also epoxied over. As such, I cannot sell these as the bare...

Hi all, I had a project where I binned a bunch of 505s for low-wavelength diodes. IMO, 502nm is pretty significantly different from 505nm and starts to get some blue in it. These will be complete with a 12mm module, acrylic lens, and driver with leads pre-soldered. Pretty much ready to drop in...

Ah yeah if that's the graph, then you're stuck with DIY or a more expensive lab unit. Ebay has some of the sharp 380s for under $300 which is the lowest they have ever been by a wide margin, so now is the best time there's ever been to get one. The color really only is noticeable if it's...

Does 405nm not work for you? Assuming you tried and it doesn't work, you're in for paying at least 30x more. Yes still just diy, 375nm and 380nm bare diodes are still way too expensive (though they have gone down a fair bit since I made this thread). DIY is your only option right now...

Check out the divergence. It's horrible

They're sharp diodes - the new batches are just more efficient. Probably just a new iteration, it has been 6 years since these first became available after all

Mine just arrived! 573nm looks right. In fact, the OP's pictures make it look like it has a bit of green in it, but in person there's none to speak of, just pure yellow. Stability seems fine. I don't trust my LPM at lower powers so not sure what it's actually running, but it is brighter than...