The Primary Time and Frequency Standard for the United States httptfnistgovcesiumfountainhtm f 9192631770 Hz T 10 6 K T he base unit of time is officially defined as the duration of 9192631770 periods of the radiation corresponding to the transition between the two hy ID: 748408
Download Presentation The PPT/PDF document "NIST-F1 Cesium Fountain Atomic Clock" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
pptx