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589 is lovely, but I now want a 583nm
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589 is lovely, but I now want a 583nm
583nm is certainly beautiful. There's a small chance you'll get one if you purchase a 50mW Spartan from DragonLasers!
I wish DL took PayPal. That would give me a few months to pay it off. I would really like to own a 589nm. RGB only does so much for me.
We should have a look into the reasoning behind why they emit lower lines in more detail. It may allow 584 nm DPSS's to become more common maybe? I know that SFG of 1047 and 1321nm have achieved 584nm using Nd:YLF. But apart from 1321nm, 1047nm is quite far off 1052nm the nearest but weak Nd:YAG line. For 583.8nm you would need a 1047nm and 1319.5nm. :thinking: Something very peculiar is going on in those 589's. It is almost like you have both a YAG and YLF crystal in there, but you obviously don't. The only thing I can gather is that there are more transition lines for Nd:YAG than previously thought, ones that require 'fluke' accurate alignments and particular conditions maybe? :beer:
Aren't you affraid of damaging or lowering lifetime of your Spartan by low temperatures and longer use than recommended by DL?
BTW: I did not find an internal scheme or photos of 589 nm Spartan's module to see how it actually work (I have just seen some other 589 nm laser schemes).