[time-nuts] Holiday Hydrogen Glow!

[Bruce Griffiths]

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 <magnus at 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 <cdelect at juno.com> wrote:
> >
> >> And here is an EFOS2 Maser glow.
> >>
> >> Happy holidays, and Merry Christmas!
> >>
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