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

[Didier Juges]

An even bigger problem is that once they decide they are not making enough money with it, it won't even be available at any price.

Didier KO4BB

John Miles <john at miles.io> wrote:
>Don't you just love paying to access research that your taxes already
>paid
>for?  Gives you a warm, fuzzy feeling all over. :-P
>
>-- john, KE5FX
>Miles Design LLC
>
>
>> -----Original Message-----
>> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]
>On
>> Behalf Of David McGaw
>> Sent: Friday, August 23, 2013 11:06 AM
>> To: Discussion of precise time and frequency measurement
>> Subject: Re: [time-nuts] Yb clock - NPR Story on Atomic Clocks
>> 
>> 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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>> 
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-- 
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