[time-nuts] new Al atomic clock publication

Magnus Danielson magnus at rubidium.dyndns.org
Sat Feb 6 14:49:37 UTC 2010


Chris Caudle wrote:
> No discussion on the new Al based atomic clock paper from NIST?
> 
> http://arxiv.org/PS_cache/arxiv/pdf/0911/0911.4527v2.pdf
> 
> "Here we describe an Al+ ion clock with an inaccuracy of 8.6×10−18."
> 
> Doesn't get more nutty than that.
> 

Not matching any of my counters all that well... 1,121 PHz with about 8 
mHz of line-width. No wonder they had an elaborate mix-down setup just 
to compare the clocks.

Cheers,
Magnus



More information about the time-nuts mailing list