Atomic clocks for geodesy
TE Mehlstäubler, G Grosche, C Lisdat… - Reports on Progress …, 2018 - iopscience.iop.org
We review experimental progress on optical atomic clocks and frequency transfer, and
consider the prospects of using these technologies for geodetic measurements. Today …
consider the prospects of using these technologies for geodetic measurements. Today …
Testing the limits of quantum mechanical superpositions
M Arndt, K Hornberger - Nature Physics, 2014 - nature.com
Quantum physics has intrigued scientists and philosophers alike, because it challenges our
notions of reality and locality—concepts that we have grown to rely on in our macroscopic …
notions of reality and locality—concepts that we have grown to rely on in our macroscopic …
Optical frequency metrology
Extremely narrow optical resonances in cold atoms or single trapped ions can be measured
with high resolution. A laser locked to such a narrow optical resonance could serve as a …
with high resolution. A laser locked to such a narrow optical resonance could serve as a …
The size of the proton
The proton is the primary building block of the visible Universe, but many of its properties—
such as its charge radius and its anomalous magnetic moment—are not well understood …
such as its charge radius and its anomalous magnetic moment—are not well understood …
The evolving optical frequency comb
SA Diddams - JOSA B, 2010 - opg.optica.org
In the past decade we have witnessed remarkable advances associated with the frequency
stabilization of the comb present in the output of a mode-locked femtosecond laser. While …
stabilization of the comb present in the output of a mode-locked femtosecond laser. While …
CODATA recommended values of the fundamental physical constants: 2010
1.1. Background This article reports work carried out under the auspices of the Committee
on Data for Science and Technology (CODATA) Task Group on Fundamental Constants. 1 It …
on Data for Science and Technology (CODATA) Task Group on Fundamental Constants. 1 It …
Improved Measurement of the Hydrogen Transition Frequency
We have measured the 1 S–2 S transition frequency in atomic hydrogen via two-photon
spectroscopy on a 5.8 K atomic beam. We obtain f 1 S–2 S= 2 466 061 413 187 035 (10) Hz …
spectroscopy on a 5.8 K atomic beam. We obtain f 1 S–2 S= 2 466 061 413 187 035 (10) Hz …
Colloquium: Femtosecond optical frequency combs
ST Cundiff, J Ye - Reviews of Modern Physics, 2003 - APS
Recently there has been a remarkable synergy between the technologies of precision laser
stabilization and mode-locked ultrafast lasers. This has resulted in control of the frequency …
stabilization and mode-locked ultrafast lasers. This has resulted in control of the frequency …
Nobel lecture: passion for precision
TW Hänsch - Reviews of Modern Physics, 2006 - APS
Nobel Lecture: Passion for precision* Page 1 Nobel Lecture: Passion for precision*
Theodor W. Hänsch† Max-Planck Institute of Quantum Optics, Garching, Germany and …
Theodor W. Hänsch† Max-Planck Institute of Quantum Optics, Garching, Germany and …
CODATA recommended values of the fundamental physical constants: 2006
1.1. Background This paper gives the complete 2006 CODATA self-consistent set of
recommended values of the fundamental physical constants and describes in detail the …
recommended values of the fundamental physical constants and describes in detail the …