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A: Fachverband Atomphysik
A 20: Precision spectroscopy of atoms and ions (joint session A/Q)
A 20.4: Poster
Mittwoch, 16. März 2022, 16:30–18:30, P
Towards the setup of a calcium beam clock — •Lara Becker and Simon Stellmer — Physikalisches Institut der Universität Bonn, Nussallee 12, Bonn, Germany
Since the invention of atomic clocks the precision of time-keeping has been significantly enhanced and the clock stabilities reach even higher levels for systems based on optical transitions.
We would like to build a robust and compact optical clock which relies on a Ramsey-Bordé interferometer of a thermal beam of calcium and is envisaged attaining instabilities in the order of 10−16. The goal is to implement the beam clock as an experiment to the students’ laboratory course to allow physics master students access to this field of recent research.
We refer to the work at NIST [1] for the main setup and we report on the current status of our project.
[1] Judith Olson et al. "Ramsey-Bordé Matter-Wave Interferometry for Laser Frequency Stabilization at 10−16 Frequency Instability and Below". In: Physical Review Letters 123, 073202 (2019)