[time-nuts] Surplus Guidelines, was: Rubidium Standard
Robert Deliën
robert at delien.nl
Sun Dec 10 21:12:51 UTC 2006
> > Isn't it deposited metal from the filament that blackens the glass?
>
> No.
>
> Therei is no filament. The Rubidium lamps are excited with a UHF field which is external to the bulb.
I didn't know that: How interesting! Doesn't it take a greate amount of RF power to excite cold Rb?
FYI: There's a HP 5065 on eBay: 190060656439
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