[time-nuts] Cold Rubidium?

[Anders Wallin]

ptti2018:
https://www.researchgate.net/publication/322920519_Long_term_frequency_instability_of_a_portable_cold_87Rb_atomic_clock
ifcs2018:
https://www.researchgate.net/publication/325499937_A_portable_cold_87_Rb_atomic_clock_with_frequency_instability_at_one_day_in_the_10-15_range

this one is apparently a darpa/spectradynamics/nist effort, and there's a
similar story with muquans and syrte in france, see:
https://www.muquans.com/product/muclock/


On Fri, Oct 25, 2019 at 11:09 PM AC0XU (Jim) <James.Schatzman at ac0xu.com>
wrote:

> Does anyone have any experience/first hand knowledge of this Cold Rubidium
> standard?
>
> <https://spectradynamics.com/products/crb-clock/>
> https://spectradynamics.com/products/crb-clock/
>
> The specs look very good. The mfr claims that, unlike traditional rubidium
> oscillators, it has no long-term drift.
> Thanks!
> Jim
> _______________________________________________
> time-nuts mailing list -- time-nuts at lists.febo.com
> To unsubscribe, go to
> http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com
> and follow the instructions there.
>