[time-nuts] How does it work?

J. Forster jfor at quik.com
Tue Jun 28 17:41:45 UTC 2011

A bit more on traps and LASER cooling:


BTW, optical frequency standards make H-MASERS look crummy.



> For the sake of this poor, befuddled non-engineer, would one of you worthy
> gentlemen explain how it is that lasers striking a mass of cesium atoms
> and
> compressing them into a ball (in a cesium fountain) has the effect of
> cooling them to near absolute zero?  That seems counter-intuitive to me,
> but
> then I have virtually no education in this area.
> Thanks!
> Bill
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