[time-nuts] Getting the most out of your rubidium standard

[Dr Bruce Griffiths]

Christopher Hoover wrote:
>> Those who like tinkering with their rubidium standards
>> may find the following paper of interest
>>     
>
>   
>> http://tf.nist.gov/timefreq/general/pdf/1013.pdf
>>     
>
> This is very interesting, indeed, and a very nice practical, follow-on work
> from the theory paper by Audoin et al.
>
> It wasn't clear to me how much improvement you get switching from a standard
> (i.e. cheap) discharge lamp to a frequency and amplitude stabilized laser
> diode.
>
> This may be covered in one of the references; I haven't had time to chase
> them yet.
>
> -ch
>
>
>
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>   
Chris

Since one of the authors was from FEI, maybe this is why their Rubidium 
sources have better short term stability specs than most.
Switching to a laser excitation system is possibly one way of reviving a 
unit whose lamp has expired.

Bruce