Workshop on optically-pumped magnetometers - WOPM2025

Session

OPM Applications III

8 Aug 2025, 15:40

WHGA/001 - Auditorium (PSI)

Conveners

OPM Applications III

• Georg Bison (PSI - Paul Scherrer Institut)

5. Industrial Application of OPM: Flow Metering

Peter Koss (Fraunhofer IPM)

08/08/2025, 15:40

Oral presentation

We present a noninvasive flow metering technique that employs optically pumped magnetometers (OPMs) for measuring fluid flow velocities through a novel magnetic-marking approach. The method utilizes polarized hydrogen nuclei within the fluid, which are polarized with a permanent magnet. Radio frequency (RF) pulses are applied to the fluid to create local magnetic marks in the otherwise...

90. Fluid flow monitoring using optically pumped magnetometers

Leigh Page (University of Sussex)

08/08/2025, 16:00

Oral presentation

Monitoring blood circulation, known as hemodynamic monitoring, is vital for assessing patient health. However, obtaining detailed blood flow information non-invasively remains a challenge. To address this, we developed a system that uses strong permanent magnets and optically pumped magnetometers to detect the flow of a pulsed liquid. Our setup enables us to track polarised water moving...

84. Development of a Zero-Field/Hanle Vector Magnetometer for Exploring Magnetic Fields in Space

Christoph Amtmann (Austrian Academy of Sciences, Space Research Institute)

08/08/2025, 16:20

Oral presentation

Optically pumped magnetometers have been integral to scientific space applications since the 1960s [1]. They not only explore the Earth’s magnetic field aboard missions such as Swarm (since 2013) [2] and CSES-1 (since 2018) [3], but also the magnetic fields of other planets and their moons. Notable missions include Pioneer 11 (Jupiter flyby in 1974), Mariner 10 (Mercury flyby in 1974) and...

77. In-Orbit Performance of the Coupled Dark State Magnetometer

Alexander Betzler (Graz University of Technology (TU Graz))

08/08/2025, 16:35

Oral presentation

The Coupled Dark State Magnetometer (CDSM) is a magnetometer developed by the Space Research Institute of the Austrian Academy of Sciences in cooperation with the Graz University of Technology. It is a optically pumped scalar magnetometer based on two-photon spectroscopy of free alkali atoms (Rubidium 87).
The CDSM is currently operating on three space missions and will have launched on a...

107. Closing remarks

Georg Bison (PSI - Paul Scherrer Institut)

08/08/2025, 16:50