[time-nuts] New design of Cesium tube ?
Brooke Clarke
brooke at pacific.net
Thu May 12 19:50:04 EDT 2005
Hi Bill:
I wouldn't trade in my Cs just yet. Have a look at the performance:
http://tf.nist.gov/ofm/smallclock/Performance.htm
73,
Brooke Clarke, N6GCE
--
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
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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