The Hydrogen plasma emission is dominated in the visible dominated by Halpha emission at 656.3 nm. Other Balmer series lines will also be present.
Bruce > On 26 December 2020 at 09:12 Magnus Danielson <mag...@rubidium.se> wrote: > > > Dana, > > The glow is a side-effect of the plasma. The primary use in H-maser is > to split H2 gad into separate H atoms before sent through a > state-separating hexapole magnet, known as A-field magnet. > > In Rubidium oscillators, you achieve the same plasma glow, but then it > is the D-line emission which is the primary goal, where the D1 and D2 > lines is dominant and one of them is filtered. > > For hydrogen, the D-line is way up in 121,6 nm rather than 794 nm and > 780 nm of rubidium, so it's not the D-line glow we see from the hydrogen > atom. > > So, the same glow have separate uses and mechanisms. > > Cheers, > Magnus > > On 2020-12-25 20:08, Dana Whitlow wrote: > > It appears that the pink glow is reaching at least several inches from > > the discharge region. Am I correct in thinking that it stems from > > recombination of electrons and protons into neutral atome? And > > regardless of the precise mechanism, do any significant number > > of the glow-causing species make it through the state selector into > > the storage bulb? I'm wondering if one could peek into the microwave > > cavity through a small aperture and see a glow from the storage bulb > > itself. > > > > Dana > > > > > > On Fri, Dec 25, 2020 at 12:13 PM <cdel...@juno.com> wrote: > > > >> And here is an EFOS2 Maser glow. > >> > >> Happy holidays, and Merry Christmas! > >> > >> Corby_______________________________________________ > >> time-nuts mailing list -- time-nuts@lists.febo.com > >> To unsubscribe, go to > >> http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > >> and follow the instructions there. > >> > > _______________________________________________ > > time-nuts mailing list -- time-nuts@lists.febo.com > > To unsubscribe, go to > > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.