English
Related papers

Related papers: Magnetic induction measurements using an all-optic…

200 papers

In the recent work arXiv:1809.02446, the authors proposed a new method measuring the electron oscillating electric dipole moment (eOEDM) using atomic magnetomaters. This eOEDM is induced by the interaction between the electron magnetic…

High Energy Physics - Phenomenology · Physics 2019-04-30 P. -H. Chu , Y. J. Kim , I. Savukov

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

Progress in electromagnetic induction imaging with atomic magnetometers has brought its domain to the edge of the regime useful for biomedical imaging. However, a demonstration of imaging below the required 1 Sm$^{-1}$ level is still…

Instrumentation and Detectors · Physics 2020-04-02 Cameron Deans , Luca Marmugi , Ferruccio Renzoni

Ultra-sensitive measurement of the magneto-optical rotation, due to interaction of linearly-polarized light passing through room-temperature Rb 85 atoms, in response to change in longitudinal magnetic field (\delta B_z ) is demonstrated…

Instrumentation and Detectors · Physics 2019-04-04 T. J. Vineeth Francis , Rashmi Ranjan Suna , P. K. Madhu , Nirmal K. Viswanathan , G. Rajalakshmi

A recently introduced tuning-dressed scheme makes a Bell and Bloom magnetometer suited to detect weak variations of a radio-frequency (RF) magnetic field. We envisage the application of such innovative detection scheme as an alternative (or…

Instrumentation and Detectors · Physics 2021-11-03 Giuseppe Bevilacqua , Valerio Biancalana , Yordanka Dancheva , Alessandro Fregosi , Gaetano Napoli , Antonio Vigilante

Precise control of magnetic fields is a frequent challenge encountered in experiments with atomic quantum gases. Here we present a simple method for performing in-situ monitoring of magnetic fields that can readily be implemented in any…

Quantum Gases · Physics 2018-02-14 Ludwig Krinner , Michael Stewart , Arturo Pazmiño , Dominik Schneble

Atom interferometers deployed in space are excellent tools for high precision measurements, navigation, or Earth observation. In particular, differential interferometric setups feature common-mode noise suppression and enable reliable…

Matterwaves made up of ultra-cold quantum-degenerate atoms have enabled the creation of tools having unprecedented sensitivity and precision in measuring gravity, rotation or magnetic fields. Applications range from gravitational wave…

Quantum Physics · Physics 2025-06-09 Saurabh Pandey , Hector Mas , Georgios Vasilakis , Wolf von Klitzing

The activated torsion oscillation magnetometer exploits the mechanical resonance of a cantilever beam, driven by the torque exerted on the sample by an ac field applied perpendicularly to the film plane. We describe a model for the…

Condensed Matter · Physics 2009-11-07 G. Asti , M. Ghidini , R. Pellicelli , M. Solzi

Optomechanical magnetometers enable highly sensitive magnetic field sensing. However, all such magnetometers to date have been optically excited and read-out either via free space or a tapered optical fiber. This limits their scalability…

We describe a room-temperature alkali-metal atomic magnetometer for detection of small, high frequency magnetic fields. The magnetometer operates by detecting optical rotation due to the precession of an aligned ground state in the presence…

Atomic Physics · Physics 2010-10-12 M. P. Ledbetter , V. M. Acosta , S. M. Rochester , D. Budker , S. Pustelny , V. V. Yashchuk

We have designed and tested an atomic vectorial magnetometer based on the analysis of the coherent oscillatory transients in the transmission of resonant laser light through a Rb vapor cell. We show that the oscillation amplitudes at the…

Atomic Physics · Physics 2015-06-18 L. Lenci , A. Auyuanet , S. Barreiro , P. Valente , A. Lezama , H. Failache

An experimentally feasible magnetometer based on a dual-coupling optomechanical system is proposed, where the radiation-pressure coupling transduces the magnetic signal to the optical phase, and the quadratic optomechanical interaction…

Quantum Physics · Physics 2022-09-16 Gui-Lei Zhu , Jing Liu , Ying Wu , Xin-You Lü

We propose and demonstrate a radio-frequency atomic magnetometer with sub-Doppler laser cooled rubidium-87. With a simple and compact design, our system demonstrates a sensitivity of $330~pT/\sqrt{Hz}$ in an unshielded environment, thus…

Optically pumped atomic magnetometers (OPAMs) offer high sensitivity at room temperature and are increasingly considered for portable magnetic sensing in geomagnetic-field environments. Here we report a handheld-scale, single-beam scalar…

Atomic Physics · Physics 2026-01-14 Heonsik Lee , Hyunbeen Lee , Minseok Choi , Yoontae Hwang , Deok-Young Lee

We present an all-optical method to measure and compensate for residual magnetic fields present in a cloud of ultracold atoms trapped in an optical dipole trap. Our approach leverages the increased loss from the trapped atomic sample…

Atomic Physics · Physics 2024-04-18 Suthep Pomjaksilp , Sven Schmidt , Aaron Thielmann , Thomas Niederprüm , Herwig Ott

We present a method for absolute calibration of received radio-frequency in the ultra low frequency (ULF), and very low frequency (VLF) range. This is achieved with the use of a radio frequency optically pumped magnetometer (RF-OPM). We…

A sensitive vector magnetometry with high spatial resolution is important for various practical applications, such as magnetocardiography, magnetoencephalography, explosive materials detection and many others. We propose a magnetometer…

Applied Physics · Physics 2021-07-07 D. O. Ignatyeva , G. A. Knyazev , A. N. Kalish , A. I. Chernov , V. I. Belotelov

Optomechanical sensors enable exquisitely sensitive force measurements, with emerging applications across quantum technologies, standards, fundamental science, and engineering. Magnetometry is among the most promising applications, where…

Cardiomagnetometry is a growing field of noninvasive medical diagnostics that has triggered a need for affordable high-sensitivity magnetometers. Optical pumping magnetometers are promising candidates satisfying that need since it was…

Medical Physics · Physics 2009-11-10 Georg Bison , Robert Wynands , Antoine Weis