[time-nuts] H-Maser drift (was: Why discipline Rubidium oscillator?)

[Ole Petter Ronningen]

>
>
> > 4.5 liters in EFOS type masers - so not *that* small. I believe other
> > masers are the same order of magnitude.
>
> Hehe.. Yes. It's "small" compared to the cavity. Depending on the
> exact cavity construction, the storage space can be as small as
> a tenth of the total cavity volume.


Thats interesting, I would think a small volume would result in increased
spin exchange - do you have any papers detailing the tradeoffs with
big/small storage bulbs?