[time-nuts] New design of Cesium tube ?
brooke at pacific.net
Thu May 12 19:50:04 EDT 2005
I wouldn't trade in my Cs just yet. Have a look at the performance:
Brooke Clarke, N6GCE
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
Bill Janssen wrote:
> The MAy 2005 issue of IEEE Spectrum has a short article about a new design
> of a Cesium standard. The inventor is John Kitching of NIST.
> The claim is this new design will be less expensive and smaller than the
> existing design.
> I have included a couple of quotes from the article
> "Right now the cesium-vapor chamber takes up a few cubic millimeters. Throw
> in the laser, the optics and the electronics and were up to maybe a
> cubic centimeter."
> "Besides being cheap, the new atomic clocks will also be frugal with power"
> So maybe when the existing Cesium standards wear out they can be replaced
> with a new and cheaper one. I might even be able to afford a new one :-)
> Bill K7NOM
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