[time-nuts] Optical Cesium or maybe Cesium "light"!
attila at kinali.ch
Mon Mar 20 15:09:46 EDT 2017
On Sat, 18 Mar 2017 19:25:28 +0000
"Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:
> >The A magnet being replaced by the A laser will for the same flow from
> >the cesium oven produce twice as much atoms and thus improve signal to
> It will generate more than twice the (usable) atoms, becuase the
> straight path is (almost) insensitive to their velocity distribution,
> whereas the corner-turning at the magnet is not.
I am not sure if that holds true. The Ramsey cavity itself is
velocity sensitive/selective. So not all velocities contribute
the same to the resonance/peak. I do not know how much better/worse
this selectivity compared to the bending magnets is, though.
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