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Path: ...!Xl.tags.giganews.com!local-2.nntp.ord.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Wed, 08 May 2024 21:57:06 +0000 From: Joe Gwinn <joegwinn@comcast.net> Newsgroups: sci.electronics.design Subject: Re: OT: Atomic nucleus excited with laser: a breakthrough after decades Date: Wed, 08 May 2024 17:57:05 -0400 Message-ID: <b3tn3j120qqt3g1b8k9dnq59iuca9kbvvu@4ax.com> References: <v1ccs5$3vg2$1@solani.org> <v1damh$39abm$1@dont-email.me> <v1ddj1$3a290$1@dont-email.me> <iokk3jt0njsobhf2v21i4b33cl28ee8706@4ax.com> <ljel3jdeon58rbh2vv60ae6v12qndhvj4i@4ax.com> <v1fdt2$3s1bh$1@dont-email.me> <v1fp1t$3uilh$1@dont-email.me> <v1g36m$vif$1@dont-email.me> User-Agent: ForteAgent/8.00.32.1272 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 17 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-TPJW+HX5JsjsoyOSm7iIrHCqecWi4krZsgWT4j6N5I9e4uk8K/JrFBwpP++EVPVuouI1HHUQGcj/bK/!IHpXrDZ2bvLQK+MHoWxGtYvXKFSXfMadLfFyIaK3tunsc9aypqajwTTJ/7LIc1rIwH/bCJU= X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 1936 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