Sujet : Re: OT: Atomic nucleus excited with laser: a breakthrough after decades
De : joegwinn (at) *nospam* comcast.net (Joe Gwinn)
Groupes : sci.electronics.designDate : 08. May 2024, 23:57:05
Autres entêtes
Message-ID : <b3tn3j120qqt3g1b8k9dnq59iuca9kbvvu@4ax.com>
References : 1 2 3 4 5 6 7 8
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On Wed, 8 May 2024 14:45:42 -0000 (UTC), Phil Hobbs
<
pcdhSpamMeSenseless@electrooptical.net> wrote:
[snip]
The cleverest part of the Hall-Haensch comb generator is that you can lock
the blue end of the comb to the second harmonic of the red end, one tooth
off, and lock the difference to a good reference. Then all the teeth have
the same phase noise as the reference oscillator, rather than 20 log(600
THz / 100 MHz) ~ 138 dB worse, as it would be in a multiplier.
Hmm. It had to be true, but I never connected the dots there. What
is mechanism by which this is achieved? References?
Thanks,
Joe Gwinn