Re: Cesium Clocks

[mcnaught@Lanl.GOV (Mike McNaughton)]

>Does anyone have any technical information regarding an electronic component
>commonly referred to as a "cesium clock"?  I understand that this device is
>widely used in aerospace, satellite, and communications technologies.  My
>primary interest is the quantity of Cs137 used in a typical device.   A brief
>description of the internal workings of a typical clock and the type of
>circuit
>it would likely be used in is also be helpful.

According to the 13th general conference opn weights and measures in 1967,
one second is defined as the time occupied by 9,192,631,770 vibrations of
the light emitted by a Cs-133 atom.

Stay safe, mike (mcnaught@LANL.GOV)