[time-nuts] Cold Rubidium?

[Poul-Henning Kamp]

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In message <CADHrwpeRs3Kf4-fg9X2kwaKvqRnUF7C9R0VnaCvM5aEMHZmnOg at mail.gmail.com>
, Dana Whitlow writes:

>I can only answer one of your questions with any confidence, but I'd
>suspect that the chamber walls are cooled a fair bit in addition to
>being highly reflective.

Why would you need to cool them any more than you need to cool them
in a cesium standard ?

I wonder if you can replenish the Rb supply ?

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