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Inertial sensors that measure the acceleration of ultracold atoms promise unrivalled accuracy compared to classical equivalents. However, atomic systems are sensitive to various perturbations, including magnetic fields, which can introduce…

Atomic Physics · Physics 2023-12-11 A. Davis , P. J. Hobson , T. X. Smith , C. Morley , H. G. Sewell , J. Cotter , T. M. Fromhold

Accelerator magnet test facilities frequently need to measure different magnets on differently equipped test stands and with different instrumentation. Designing a modular and highly reusable system that combines flexibility built-in at the…

Accelerator Physics · Physics 2022-05-04 J. M. Nogiec , P. Akella , G. Chlachidze , J. DiMarco , M. Tartaglia , P. Thompson , K. Trombly-Freytag , D. Walbridge

Accelerator magnets steer particle beams according to the field integrated along the trajectory over the magnet length. Purpose-wound coils measure these relevant parameters with high precision and complement efficiently point-like…

Accelerator Physics · Physics 2011-04-20 L. Walckiers

Magnetoresistance (MR) sensors provide cost-effective solutions for diverse industrial and consumer applications, including emerging fields such as internet-of-things (IoT), artificial intelligence and smart living. Commercially available…

Instrumentation and Detectors · Physics 2018-05-16 Yanjun Xu , Yumeng Yang , Mengzhen Zhang , Ziyan Luo , Yihong Wu

Developing a non-invasive, accurate vector magnetometer that operates at ambient temperature and is conducive to miniaturization and is self-calibrating is a significant challenge. Here, we present an unshielded three-axis vector…

Magnetic sensors based on the magnetoresistance effects have a promising application prospect due to their excellent sensitivity and advantages in terms of the integration. However, competition between higher sensitivity and larger…

Mesoscale and Nanoscale Physics · Physics 2018-08-01 Xueying Zhang , Nicolas Vernier , Zhiqiang Cao , Qunwen Leng , Anni Cao , Dafine Ravelosona , Weisheng Zhao

The low magnetic field measurement has been utilized since ancient times in order to find economic resources, to detect magnetic anomalies, etc. In this case, the vector magnetic survey can simultaneously obtain the modulus and direction…

Instrumentation and Detectors · Physics 2021-09-15 Huan Liu , Xiaobin Wang , Changfeng Zhao , Zehua Wang , Ge Jian , Haobin Dong , Zheng Liu

In-operando techniques enable real-time measurement of intricate physical properties at the micro- and nano-scale under external stimuli, allowing the study of a wide range of materials and functionalities. In nanomagnetism, in-operando…

We present the prototype module of our extendible and robust multichannel SQUID magnetometer system. A multi-module arrangement can be implemented by using up to 7 modules. It is intended for high-precision measurements of biomagnetism and…

Instrumentation and Detectors · Physics 2017-08-29 Jan-Hendrik Storm , Dietmar Drung , Martin Burghoff , Rainer Körber

We describe a 3He magnetometer capable to measure high magnetic fields (B > 0.1 Tesla) with a relative accuracy of better than 10^-12. Our approach is based on the measurement of the free induction decay of gaseous, nuclear spin polarized…

Instrumentation and Detectors · Physics 2015-06-19 A. Nikiel , P. Blümler , W. Heil , M. Hehn , S. Karpuk , A. Maul , E. Otten , L. M. Schreiber , M. Terekhov

In cold atomic gases the interactions between the atoms are directly controllable through external magnetic fields. The magnetic field control is typically performed indirectly by stabilizing the current through a pair of Helmholtz coils,…

We use magnetic-field-dependent features in the photoluminescence of negatively charged nitrogen-vacancy centers to measure magnetic fields without the use of microwaves. In particular, we present a magnetometer based on the level…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 Arne Wickenbrock , Huijie Zheng , Lykourgos Bougas , Nathan Leefer , Samer Afach , Andrey Jarmola , Victor M. Acosta , Dmitry Budker

Superparamagnetic colloidal particles can be reversibly assembled into wheel-like structures called microwheels ($\mu$wheels) which roll on surfaces due to friction and can be driven at user-controlled speeds and directions using rotating…

Applied Physics · Physics 2020-06-05 E. J. Roth , C. J. Zimmermann , D. Disharoon , T. O. Tasci , D. W. M. Marr , K. B. Neeves

In traditional detection of the magnetic signal in the experiment, complicated electronic devices are usually set up to explore the feedback from the superconducting transition due to the external magnetic field. This kind of direct…

Superconductivity · Physics 2022-11-15 Ziyan Li , Mengbo Guo

We present a micron-sized induction magnetometer designed to measure the magnetic response of superconducting mesoscopic samples. The device is manufactured using the Memscap PolyMUMPs process and consists of two octagonal planar parallel…

Superconductivity · Physics 2018-10-08 R. V. Ibañez Bustos , S. D. Calderón Rivero , F. Romá , H. Pastoriza , M. I. Dolz

We consider various methods and techniques for measuring electron magnetization and susceptibility, which are used in experimental condensed matter physics. The list of considered methods for macroscopic measurements includes…

Materials Science · Physics 2023-02-20 V. M. Pudalov

Magnetic field source localization and imaging happen at different scales. The sensing baseline ranges from meter scale such as magnetic anomaly detection, centimeter scale such as brain field imaging to nanometer scale such as the imaging…

Atomic Physics · Physics 2021-09-24 Chen Liu , Haifeng Dong , Junjun Sang

The operation of polarimetric based single beam three axis atomic magnetometer is studied. The magnetometer operates in presence of small bias magnetic field. Its salient features are compared with the analysis of Bloch equation. The…

Atomic Physics · Physics 2019-03-18 Swarupananda Pradhan , Rita Behera

A shapeable planar Hall sensor has been fabricated by lift-off a bilayer structure of NiFe(10 nm)/IrMn (8 nm) grown on a Kapton/PDMS substrate without using a buffer layer. The sensor exhibits a magnetic field sensitivity of 0.74…

Applied Physics · Physics 2019-03-26 B. Özer , H. Pişkin , N. Akdoğan

The three axis magnetic field measurement based on the interaction of a single elliptically polarized light beam with an atomic system is described. The magnetic field direction dependent atomic responses are extracted by the polarimetric…

Instrumentation and Detectors · Physics 2016-09-21 Swarupananda Pradhan