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Noise reduction in optically pumped magnetometer assemblies
Applied Physics B, 2010In most magnetic field measurement configurations the resolution of optically pumped magnetometers is limited by the shot noise of the pump light. However, in practice this noise limit is overwhelmed by other sources. One of them is the conversion of the pump laser’s frequency modulation (FM) noise to amplitude modulation (AM) noise due to the ...
V. Schultze +2 more
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Silicon Nitride‐Photonics‐Enabled Optical Pumping for Optically Pumped Magnetometer
Laser & Photonics ReviewsAbstractDiscrete optical system in optically pumped magnetometers (OPMs) presents a significant challenge to their integration into high‐spatial‐resolution magnetic field detection. Here, the electron spin polarization of atoms using a fiber‐coupled silicon nitride () photonic integrated circuit (PIC) is demonstrated, by the way of delivering arrayed ...
Yuting Xu +5 more
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Recent Progress in Optically Pumped Magnetometers
Physica Scripta, 2003Optically pumped magnetometres (OPM) are known as the most precise instruments for scalar measurement of low magnetic fields, including those of the Earth's magnetic field. For a long time OPM could not compete, in absolute accuracy, with the proton precession magnetometers, being, at the same time, much more sensitive and fast.
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Optically pumped atomic magnetometers after three decades
Optical Engineering, 1992The main achievements in the development of optically pumped atomic magnetometers are reviewed. The best up-to-date magnetometers have sensitivities up to 0.1 pT/(Hz)1/2 and absolute accuracy of about 0.1 nT, permitting notless than 10 readings per 1 s. The main applications are earth field gradiometry and variometry.
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Erratum: Optically Pumped Nuclear Magnetometer
Review of Scientific Instruments, 1964L. D. Schearer +2 more
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Microfabricated Optically-Pumped Magnetometers
2016Ricardo Jiménez-Martínez +1 more
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Optically pumped Atomic Magnetometer
The Journal of the Institute of Electrical Engineers of Japan, 2016openaire +1 more source
Microfabricated optically-pumped magnetometers for imaging applications
Quantum Sensing, Imaging, and Precision Metrology, 2023Svenja A. Knappe +2 more
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Magnetomyography with optically pumped magnetometers
Quantum Effects and Measurement Techniques in Biology and Biophotonics IISimon Nordenström +7 more
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