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- Jan 14, 2011
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Hey everyone. So I am coming along on that portable steampunk HeNe laser and all, which is great. Finally got a good PSU small enough for my needs, got a cool setup, but finally when I tested my tube with it, the tube would only light for about 15 seconds or so and then send the PSU into trigger mode, which is probably pretty bad for the little guy.
I think the issue is that, as the HeNe heats up, it requires more current than the PSU can supply - I think my PSU supply 3.5 or 4mA.
What I need from you gas fellas is 5-6 inch, partially exposed tube HeNe that will run indefinitely on 3.5-4mA. Mine works, but is a really old model and probably is starting to degrade.
Anyway, I'd love to hear if any of you guys know where I could grab one like that or if you have one to sell me!
I think the issue is that, as the HeNe heats up, it requires more current than the PSU can supply - I think my PSU supply 3.5 or 4mA.
What I need from you gas fellas is 5-6 inch, partially exposed tube HeNe that will run indefinitely on 3.5-4mA. Mine works, but is a really old model and probably is starting to degrade.
Anyway, I'd love to hear if any of you guys know where I could grab one like that or if you have one to sell me!