[time-nuts] Zeeman frequency oddness

[Tom Van Baak (lab)]

Chuck,

Information about the HP submarine cesium standard (5062c) as well as details about Zeeman splitting are here:
http://www.leapsecond.com/museum/hp5062c/theory.htm

/tvb (iPhone4)

On Oct 28, 2012, at 1:25 AM, Chuck Harris <cfharris at erols.com> wrote:

> Magnus Danielson wrote:
>> On 10/28/2012 01:13 AM, Chuck Harris wrote:
>>> Two things come to mind:
>>> 
>>> 1) is this the high performance tube? Perhaps it has a different
>>> Zeeman frequency than the standard tube?
>>> 2) a non HP replacement tube? FTS Cs beam tubes are way different
>>> Zeeman frequencies than HP.
>> 
>> A high performance tube should give you better signal to noise.
>> 
>> A non HP tube might give you a somewhat different C-field setting for same center
>> lock-in.
> 
> The FTS tubes in my 4050 have a Zeeman frequency of around 43KHz, which if
> my estimate is right is about 10KHz different from the HP Zeeman frequency
> of around 53KHz.  And as I recall, the little HP submarine C-Beam has yet
> another Zeeman frequency, but I can't dig up its manual at the moment.
> 
> AFAIK, the Zeeman frequency is very much dependent on the architecture of
> the particular physics package.
> 
> -Chuck Harris
> 
>> 
>> The physics of Cs-133 is still the same, and the RF-chain is still the same. If not,
>> someone has to teach me something new, or at least inform me why the high performance
>> tubes are so much different.
>> 
>> Cheers,
>> Magnus
>> 
>> _______________________________________________
>> time-nuts mailing list -- time-nuts at febo.com
>> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>> and follow the instructions there.
>> 
> 
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.