2004/06/23 by S. Groeger, Groeger, S., J.-L. Schenker +7 · 2 citations
Engineering · Physics and Astronomy · #Atomic Physics (physics.atom-ph) #Atomic and Subatomic Physics Research #Cold Atom Physics and Bose-Einstein Condensates #FOS: Physical sciences #Geophysics and Sensor Technology #physics.atom-ph
paper · pdf · doi:10.48550/arxiv.physics/0406105
9 pages, 9 graphs
openalex publication_date 2004/06/23 · arxiv created 2004/08/19 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We discuss the design and performance of a laser-pumped cesium vapor magnetometer in the Mx-configuration. The device will be implemented for the control and stabilization of fluctuating magnetic fields and gradients in a new experiment searching for a permanent electric dipole moment of the neutron. We have determined the intrinsic sensitivity of the device to be 21 fT with a 1 s integration time, limited by low frequency noise of the laser power. In the shot noise limit the magnetometer can reach a sensitivity of 7 fT with a 1 s integration time. We have used the device to study the magnetic field fluctuations in a three layer mu-metal shield for integration times in the range of 2-100 seconds. The lowest values of the fluctuations are traced back to the stability of the power supply used to generate the field.