[time-nuts] Yb clock - NPR Story on Atomic Clocks

[David McGaw]

Here is an announcement article:

http://www.sciencemag.org/content/early/2013/08/21/science.1240420.full

David


On 8/23/13 10:51 AM, Frank Stellmach wrote:
> Wow, this new type of clock is not even 100 times more longterm stable 
> than the Cs fountain clock, it's even short-term stable as a H-maser, 
> obviously.
>
> In the NIST article: http://www.nist.gov/pml/div688/clock-082213.cfm 
> it's told, that the 1s instability is the same as the 400,000 sec or 5 
> days stability of the Cs fountain clock, ie. 1e-15..1e-16, I assume.
>
> Perhaps NIST can provide the Allan deviation already.
>
> Frank
>
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