Non-invasive detection of animal nerve impulses with an atomic magnetometer operating near quantum limited sensitivity. [PDF]
Sci Rep, 2016 Magnetic fields generated by human and animal organs, such as the heart, brain and nervous system carry information useful for biological and medical purposes.
Jensen K +12 more
europepmc +7 more sources
Robust, High-speed, All-Optical Atomic Magnetometer [PDF]
Review of Scientific Instruments, 2006 A self-oscillating magnetometer based on the nonlinear magneto-optical rotation effect with separate modulated pump and unmodulated probe beams is demonstrated. This device possesses a bandwidth exceeding $1\khz$.
Budker, D., Corsini, E., Higbie, J. M.
core +4 more sources
NMR detection with an atomic magnetometer [PDF]
Physical Review Letters, 2004 We demonstrate detection of NMR signals using a non-cryogenic atomic magnetometer and describe several novel applications of this technique. A water free induction decay (FID) signal in a 0.5 $\mu$T field is detected using a spin-exchange-relaxation-free
Romalis, M. V., Savukov, I. M.
core +3 more sources
Femtotesla atomic magnetometer for zero- and ultralow-field nuclear magnetic resonance [PDF]
Magnetic Resonance LettersZero- and ultralow-field nuclear magnetic resonance (ZULF NMR) has experienced rapid development and provides an excellent tool for diverse research fields ranging from materials science and quantum information processing to fundamental physics.
Taizhou Hong +5 more
doaj +2 more sources
Magnetocardiography with a modular spin-exchange relaxation-free atomic magnetometer array. [PDF]
Phys Med Biol, 2012 We present a portable four-channel atomic magnetometer array operating in the spin exchange relaxation-free regime. The magnetometer array has several design features intended to maximize its suitability for biomagnetic measurement, specifically foetal ...
Wyllie R +4 more
europepmc +2 more sources
Research on the application of unmanned aerial vehicle aeromagnetic measurement based on rubidium optical pump magnetometer [PDF]
Scientific ReportsOptical Pumped Magnetometers (OPMs) have become key instruments in the field of precision magnetic field measurement due to their high accuracy, stability, and compact design.
Hanqi Zhou +10 more
doaj +2 more sources
Drug Monitoring by Optically Pumped Atomic Magnetometer
IEEE Photonics Journal, 2022 A novel drug monitoring method is experimentally demonstrated by optically pumped atomic magnetometer. An elliptically polarized single-beam spin-exchange-relaxation-free atomic magnetometer (SERF AM) is used to realize magnetorelaxometry (MRX ...
Yi Ruan +10 more
doaj +1 more source
A High-Sensitivity Cesium Atomic Magnetometer Based on A Cesium Spectral Lamp
Applied Sciences, 2023 Based on a low-noise cesium spectral lamp, a high-sensitivity self-oscillating cesium atomic magnetometer with a wide operating temperature range has been developed, solving problems with existing sensors such as a limited operating temperature range and
Yuan-Tian Lu +7 more
doaj +1 more source
How to build a magnetometer with thermal atomic vapor: a tutorial
New Journal of Physics, 2023 This article is designed as a step-by-step guide to optically pumped magnetometers based on alkali atomic vapor cells. We begin with a general introduction to atomic magneto-optical response, as well as expected magnetometer performance merits and how ...
Anne Fabricant +2 more
doaj +1 more source
A novel oven structure for improving temperature uniformity of vapor cell in atomic sensors
Results in Physics, 2023 Alkali-metal vapor cells are key elements of atomic sensors. The temperature uniformity in the vapor cell is important for the sensitivity of the atomic sensors especially highly-sensitive SERF atomic magnetometers.
Yanan Gao +6 more
doaj +1 more source