Yes, I have seen that done on YouTube, using a balloon and calipers or something to measure diameter and calculate volume. I probably will try that but just thought this would be simpler to start. Does the pressure in the resonator change as the balloon deflates?
You didn't mention N2? Is...
I found a supplier. SCI Analytical (http://scicalgas.com/). They will mix whatever you need and ship it. Prices seem reasonable, and they are very hobbiest-friendly.
I'm going to start with a known good mixture and get everything else working, then maybe experiment with my own mixes.
Thanks for responding. As I said, I'm talking about a blend of gasses. They don't sell CO2 laser blends at a party store (unless parties have gotten a lot more "rad" since I was young! I have searched on Amazon, Ebay, Alibaba, various commercial companies (mostly they don't respond or want...
Does anyone have a good source for CO2 blend for flowing laser tube? I have been looking but struck out so far. It doesn't help that there is apparently a Helium shortage right now. One company that does have it said they are only selling to hospitals and large accounts right now because of that.
I am wondering what kind of things you "vets" DO with your lasers, after acquiring, tweaking and comparing etc. ?...and after burning up a few things (which gets old fast it seems). Do you do experiments? Laser shows? Holograms?