After preparing ultracold strontium atoms in an optical lattice (see Methods), we probe the1S0→3P01 mHz clock transition with a 698-nm laser stabilized to 26 mHz14. The laser frequency offset from the clock transition is determined with Rabi spectroscopy, with lineshapes shown for 1 and...
This is done by storing the ions for a few milliseconds without exciting their cyclotron motion, after which the ions are directly extracted from the trap and pro- jected onto the MCP detector. Two patterns, as detailed in [38,39], are utilized to measure the magnetron or cyclotron motion...
Here is where theory enters the experiment: He-like atomic systems have been the subject of intense theoretical study for decades, and it was judged that the fine structure interval was so well known from calculations that the quantum beat period could be taken for a clock signal of the ...
The support circuits may include cache, power supplies, clock circuits, input/output circuitry, subsystems, and the like.FIG. 2 illustrates a schematic, partial cross section of an exemplary processing chamber 200 for forming a barrier layer according to embodiments of the present invention. Such ...
Here is where theory enters the experiment: He-like atomic systems have been the subject of intense theoretical study for decades, and it was judged that the fine structure interval was so well known from calculations that the quantum beat period could be taken for a clock signal of the ...