It's true that this is really a feat given the difficulty of measuring
these systematics.
Not to toot my own horn but...
http://www.nist.gov/pml/div689/20140122_strontium.cfm . even just a few
months ago we were talking about mid E-18 using an optical clock.
My lab has had good luck with the ADF4350 eval boards as clock generators.
The snippet description on the analog devices website of them is incorrect
though, they can accept a 10 MHz clock ref. The datasheet is definitely
more accurate than the description.
-Ben
On Mon, Dec 30, 2013 at 9:36
Hi all,
I'm new to this list, but papers like the recent Yb Science or the Sr
PRL from last year will almost always have freely available draft versions
on the ArXiv. It's usually easiest to search for the PI's name to find all
the things they have ever uploaded.
The Yb clock is
