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Thanks BobMc, The 520nm NDG7475 diode is an awesome amount of green! It is pretty good for a high power diode. I have several Sanwu x3 beam expanders. When I put a x3 expander on my 1watt 520nm Challenger II the beam is incredibly tight, am expecting the same with the 470nm. Just trying to work...

Just a quick question BobMc, How does the 470nm compare to the 520nm in terms of divergence, beam visibility? glad they’re a happy couple! :)

Hi BobMc, I know this is old old news but have never seen this thread and read the whole damn thing by the seat of my pants. What a rollercoaster!? Glad the 470nm Challenger II made it safely to your door and made your 520nm Challenger II a happy sibling. I'm looking for buy their Silver Series...

No problem, those Nichia 1+ watt 520s sure put out some photons!

I need a bit of 470nm in my life...

Photons cannot be contained during a lockdown.

Great news! Just fired off my Sanwu Pocket 150mw 520nm into low cloud in celebration!

Great company and products, hope things work out for all involved and they can begin exporting their full range of products! :)

From here to eternity. Sanwu Challenger II - 520nm 1000mw.

2watts of 405nm! How long will the diode last at that power?

Sanwu’s stuff is amazing. I love their builds and like you are particularly fond of the Guardian units. The Tri-Beam sounds like an interesting gadget, one day I might take the plunge and order one. Hope things are going to be okay for Hong Kong, Sanwu seem to be experiencing issues with...

X3

I'm trying to imaging a tri-beam laser - bet it's a crazy device. Do the three beams spread out evenly and wide or do they sit close together over a distance?

Have a great trip, wherever you are! No rush, just thought I would ask if you have one. They're all great units - Mr Egg :)

Why get married, when you can just have lasers!

The 150mw 520nm Pocket is a great unit and like you say, it has a razor sharp beam profile. Do you have a multimode 635nm Guardian 1W/800mw?

Hi Spoomples, I've just uploaded the code folder to my server, the link is here to use it (credited you as well): www.thearthole.co.uk/tools/laser-brightness-calculator

Thanks.... I’ll put you a credit on the page. Great laser resource, just been studying the JS. Top effort! :)

Thanks for sharing code on github, is it okay to upload to a folder on my server? Spread the love and keep it alive! :)

By default is it giving you dot brightness and when you click ‘beam...’ it gives you beam brightness?