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Magnetic navigation systems, including magnetic tracking systems and magnetic actuation systems, have shown great potential for occlusion-free localization and remote control of intracorporeal medical devices and robots in minimally…

Robotics · Computer Science 2026-03-09 Heng Wang , Haoyu Song , Jiatao Zheng , Yuxiang Han , Kunli Wang

Ultrasensitive magnetic field detection is utilized in the fields of science, medicine and industry. We report on a novel magnetometer relying on the kinetic inductance of superconducting material. The kinetic inductance exhibits a…

Instrumentation and Detectors · Physics 2014-09-12 Juho Luomahaara , Visa Vesterinen , Leif Grönberg , Juha Hassel

We have constructed an imaging device that capable to show a spatio-temporal distribution of magnetic field intensity in real-time. The device employs a set of AMR (Anisotropic Magneto Resistance) 3-axis magnetometers, which are arranged…

Instrumentation and Detectors · Physics 2021-04-06 Andriyan B. Suksmono , Donny Danudirdjo , Antonius D. Setiawan , Rizki P. Prastio , Dien Rahmawati

Surface based geometries of microfabricated wires or patterned magnetic films can be used to magnetically trap and manipulate ultracold neutral atoms or Bose-Einstein condensates. We investigate the magnetic properties of such atom chips…

Atomic Physics · Physics 2009-11-13 M. Volk , S. Whitlock , B. V. Hall , A. I. Sidorov

Microelectronic magnetic sensors are essential in diverse applications, including automotive, industrial, and consumer electronics. Hall-effect devices hold the largest share of the magnetic sensor market, and they are particularly valued…

Instrumentation and Detectors · Physics 2024-09-09 Jacopo Ruggeri , Udo Ausserlechner , Helmut Köck , Karen M. Dowling

We demonstrated a scalar atomic magnetometer using a micro-fabricated Cs vapor cell. The atomic spin precession is driven by an amplitude-modulated circularly-polarized pump laser resonant on D1 transition of Cs atoms and detected by an…

Atomic Physics · Physics 2019-10-07 Rui Zhang , Terry Dyer , Nathan Brockie , Roozbeh Parsa , Rahul Mhaskar

We present a magnetometer based on optically pumped Cs atoms that measures the magnitude and direction of a 1 $\mu$T magnetic field. Multiple circularly polarized laser beams were used to probe the free spin precession of the Cs atoms. The…

Map matching and registration are essential tasks in robotics for localisation and integration of multi-session or multi-robot data. Traditional methods rely on cameras or LiDARs to capture visual or geometric information but struggle in…

Robotics · Computer Science 2025-08-22 William McDonald , Cedric Le Gentil , Jennifer Wakulicz , Teresa Vidal-Calleja

Nanospintronic and related research often requires the application of fast rising magnetic field pulses in the plane of the studied planar structure. We have designed and fabricated sub-milimeter-sized coils capable of delivering pulses of…

Instrumentation and Detectors · Physics 2019-11-07 Łukasz Pawliszak , Maria Tekielak , Maciej Zgirski

This study presents the development of an integrated device for measuring magnetoelastic resonance, utilizing a gain/phase detector and the Arduino platform. The device stands out for its simplicity, low cost, and efficiency. It employs the…

Instrumentation and Detectors · Physics 2025-05-05 Wenderson R. F. Silva , Rafael O. R. R. Cunha , Joaquim B. S. Mendes

Optically pumped magnetometers (OPMs) are compact and lightweight sensors that can measure magnetic fields generated by current flow in neuronal assemblies in the brain. Such sensors enable construction of magnetoencephalography (MEG)…

We present the design process and implementation of fully open-source, ultra-low noise programmable current source systems in two configurations. Although originally designed as coil drivers for Optically Pumped Magnetometers (OPMs), the…

Atomic Physics · Physics 2022-07-25 M. S. Mrozowski , I. C. Chalmers , S. J. Ingleby , P. F. Griffin , E. Riis

Efficient detection of magnetic fields is central to many areas of research and has important practical applications ranging from materials science to geomagnetism. High sensitivity detectors are commonly built using direct…

Mesoscale and Nanoscale Physics · Physics 2013-01-07 Mustafa Bal , Chunqing Deng , Jean-Luc Orgiazzi , Florian Ong , Adrian Lupascu

For more than fifty years, scientists have been gathering evidence of the biological impacts of weak magnetic fields. However, the lack of systematics in experimental studies has hampered research progress on this subject. To systematically…

An experiment consisting of a network of sensors can endow several advantages over an experiment with a single sensor: improved sensitivity, error corrections, spatial resolution, etc. However, there is often a question of how to optimally…

Instrumentation and Detectors · Physics 2022-01-11 Joseph A. Smiga

A conduction-cooled superconducting magnet producing a transverse field of 4 Tesla has been designed for the new generation multi-field coupling measurement system, which was used to study the mechanical behavior of superconducting samples…

Instrumentation and Detectors · Physics 2016-01-20 Yuquan Chen , Lizhen Ma , Wei Wu , Mingzhi Guan , Beimin Wu , Enming Mei , Canjie Xin

We present a spectrophotometer (optical density meter) combined with electromagnets dedicated to the analysis of suspensions of magnetotactic bacteria. The instrument can also be applied to suspensions of other magnetic cells and magnetic…

High-pressure diamond anvil cells have been widely used to create novel states of matter. Nevertheless, the lack of universal in-situ magnetic measurement techniques at megabar pressures makes it difficult to understand the underlying…

Several novel methods, including magnetogenetics and magnetoelectric stimulation, use high frequency alternating magnetic fields to precisely manipulate neural activity. To quantify the behavioral effects of such interventions in a freely…

In recent years, nanosatellites have revolutionized the space sector due to their significant economic and time-saving advantages. As a result, they have fostered the testing of advanced instruments intended for larger space science…

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