In-situ Overhauser-enhanced nuclear magnetic resonance at less than 1 μT using an atomic magnetometer.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of magnetic resonance"
DOI: 10.1016/j.jmr.2019.02.001
Abstract: The development of atomic magnetometers has led to nuclear magnetic resonance (NMR) in zero and ultralow magnetic fields without using cryogenic sensors. However, in-situ detection, meaning that a sample locates in the detection space beside… read more here.
Keywords: nuclear magnetic; resonance; situ overhauser; magnetic resonance ... See more keywords
A method for measuring the spin polarization of 129Xe by using an atomic magnetometer
Sign Up to like & getrecommendations! Published in 2017 at "AIP Advances"
DOI: 10.1063/1.4998732
Abstract: We propose a method for the precise determination of nuclear spin polarization, based on the atomic magnetometers, which employs the effective magnetic field produced by the spin polarization of 129Xe nuclei. This effective magnetic field… read more here.
Keywords: polarization; magnetic field; polarization 129xe; atomic magnetometer ... See more keywords
Dead-zone-free single-beam atomic magnetometer based on free-induction-decay of Rb atoms
Sign Up to like & getrecommendations! Published in 2024 at "Applied Physics Letters"
DOI: 10.1063/5.0248330
Abstract: Free-induction-decay (FID) magnetometers have evolved as simple magnetic sensors for sensitive detection of unknown magnetic fields. However, these magnetometers suffer from a fundamental problem known as a “dead zone,” making them insensitive to certain magnetic… read more here.
Keywords: atomic magnetometer; dead zone; induction decay; free induction ... See more keywords
Frequency noise suppression of the high-power pumping laser in the SERF atomic magnetometer
Sign Up to like & getrecommendations! Published in 2024 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/ad8670
Abstract: A high-sensitivity spin exchange relaxation free (SERF) atomic magnetometer based on a noise-suppressed master oscillator power amplifier (MOPA) system is demonstrated. The spectrum and frequency noise of the laser are measured and it is proved… read more here.
Keywords: atomic magnetometer; frequency noise; serf atomic; frequency ... See more keywords
Atomic magnetometer using phase-sensitive excitations in a Δ system
Sign Up to like & getrecommendations! Published in 2025 at "Physica Scripta"
DOI: 10.1088/1402-4896/add845
Abstract: The electromagnetically induced transparency (EIT) profile is utilized to measure the strength of the microwave (MW) frequency magnetic field in a closed lambda system (CLS). In this system, two laser fields couple a common excited… read more here.
Keywords: system; atomic magnetometer; eit profile; magnetic field ... See more keywords
Atomic magnetometer with microfabricated vapor cells based on coherent population trapping* * Project supported by the National Natural Science Foundation of China (Grant No. 61473166).
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Physics B"
DOI: 10.1088/1674-1056/abc2b9
Abstract: An atomic magnetometer based on coherent population trapping (CPT) resonances in microfabricated vapor cells is demonstrated. Fabricated by the micro-electro-mechanical-system (MEMS) technology, the cells are filled with Rb and Ne at a controlled pressure. An… read more here.
Keywords: vapor cells; based coherent; magnetometer; microfabricated vapor ... See more keywords
In-situ measurement of cell temperature by spin-relaxation rate analysis for an atomic magnetometer
Sign Up to like & getrecommendations! Published in 2025 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ae07bf
Abstract: Alkali-metal vapor cells are the core sensing components of atomic magnetometers. To achieve high-sensitivity magnetic field measurements, the cells require heating and stabilization at high temperatures. Here, we propose an in-situ temperature measurement method for… read more here.
Keywords: temperature; atomic magnetometer; spin relaxation; cell temperature ... See more keywords
Polarization of radio-frequency magnetic fields in magnetic induction measurements with an atomic magnetometer
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.22.014002
Abstract: We explore properties of the radio-frequency atomic magnetometer, specifically its sensitivity to the polarisation of an oscillating magnetic field. This aspect can be particularly relevant to configurations where the sensor monitors fields created by more… read more here.
Keywords: radio frequency; magnetic induction; magnetic fields; atomic magnetometer ... See more keywords
Femtotesla Atomic Magnetometer Employing Diffusion Optical Pumping to Search for Exotic Spin-Dependent Interactions.
Sign Up to like & getrecommendations! Published in 2023 at "Physical review letters"
DOI: 10.1103/physrevlett.130.143201
Abstract: Searching for beyond-the-standard-model interactions has been of interest in quantum sensing. Here, we demonstrate a method, both theoretically and experimentally, to search for the spin- and velocity-dependent interaction with an atomic magnetometer at the centimeter… read more here.
Keywords: magnetometer; optical pumping; atomic magnetometer; femtotesla atomic ... See more keywords
Single-beam double-pass miniaturized atomic magnetometer for biomagnetic imaging systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2023.3271201
Abstract: Miniaturized atomic magnetometers, particularly spin-exchange relaxation-free atomic magnetometers, have been emerging in clinical imaging applications such magnetocardiography and magnetoencephalography. Miniaturization, portability, and low cost are primary development targets for bio-magnetic imaging technologies, as well as… read more here.
Keywords: miniaturized atomic; atomic magnetometer; single beam; atomic magnetometers ... See more keywords
A Magnetic Susceptibility Measurement System Based on a Single-Axis Atomic Magnetometer
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2024.3366312
Abstract: Accurate measurement of magnetic susceptibility plays a pivotal role in diverse scientific disciplines, ranging from material characterization to geophysical exploration. Superconducting quantum interference devices (SQUIDs) have long been regarded as the gold standard for magnetic… read more here.
Keywords: atomic magnetometer; susceptibility; single axis; magnetic susceptibility ... See more keywords