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^DHL shipping is extremely quick! Never had to wait more than 3 days for an item. And that’s coming internationally! :) -Alex

^ as said above. Welcome! :) -Alex

Hi :) -Alex

Hi. :) -Alex

I appear to be in the same boat as you both! Glad everything is fine :) -Alex

I Hello everyone :) -Alex

Happy Birthday Curtis! :) -Alex

I think all wavelengths are interesting! :giggle: -Alex

Good luck on your trip Chris! 🙂 -Alex

Usually PayPal tends to settle with the seller on many cases. If you have proof you never received your item, you’ll more than likely get a refund 🙂 -Alex

Pman! :D -Alex

Hello, I can answer one of your question! 445nm lasers are produced via diodes, so no IR light is produced in the process. :) -Alex

Done! 🙂 -Alex

You should include some pictures of the laser! :) -Alex

520nm is achieved via a diode, whereas 532nm is via DPSS (Diode Pumped Solid State). As you mentioned, there will be a color difference between them, although very little. A diode laser will perform better at different temperature ranges as it isn't affected by crystals (which are used in DPSS...

Yes! 🚽🤢 -Alex

Excited for a new, and better LPF! :D -Alex

I've been hearing about all those low temperatures across the Northeast and it's crazy! Best of luck to you guys :) -Alex

Everything is going well for now paul! :) -Alex

Just lack of any real demand outside of scientific research which leads to high prices. :) -Alex