Progress and applications of quantum precision measurement based on SERF effect
Frontiers in Physics, 2022 With the development of quantum precision measurement technology, measurement methods based on magnetic, optical and atomic interactions have started to receive widespread attention.
Yueyang ZHAI
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Fiber-Coupled Fully Integrated Spin-Exchange Relaxation-Free Atomic Magnetometer for Functional Biomagnetic Measurements [PDF]
SensorsThe atomic magnetometer (AM), operating within the spin-exchange relaxation-free (SERF) regime, boasts numerous advantageous qualities, including ultrahigh sensitivity, exceptional spatial resolution, and minimal power consumption.
Wennuo Jiang +3 more
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SERF-MEG as a Functional Biomarker of Optic Nerve Injury: Agreement and Correlation with Visual Evoked Potentials [PDF]
BioengineeringThis study assessed the cross-modal agreement between spin-exchange relaxation-free magnetoencephalography (SERF-MEG) and conventional visual evoked potentials (VEPs) in patients with optic nerve injury using comparable pattern-reversal visual ...
Helei Wang +4 more
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Waveband-resolved nonlinear characterization of SERF-magnetocardiography signals: a phase-space reconstruction framework for exploratory clinical cohort analysis [PDF]
Frontiers in PhysiologyBackgroundSpin-exchange relaxation-free magnetocardiography (SERF–MCG) offers femtotesla-level sensitivity for noninvasive cardiac monitoring. Conventional analysis pipelines, largely adapted from linear electrocardiography, may not fully capture ...
Keyi Li +17 more
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An FSM-Assisted High-Accuracy Autonomous Magnetic Compensation Optimization Method for Dual-Channel SERF Magnetometers Used in Weak Biomagnetic Signal Measurement [PDF]
SensorsAtomic magnetometers based on the spin-exchange relaxation-free (SERF) regime have broad applications in bio-magnetic measurement due to their high sensitivity and miniaturized size.
Xinran Tian +3 more
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An FPGA-Based DDS-Synchronized Quadrature Lock-In Module for Sweep-Field Demodulation in a Single-Beam SERF Magnetometer [PDF]
SensorsSweep-field operation in a single-beam spin-exchange relaxation-free (SERF) magnetometer requires stable extraction of the dispersion zero-crossing. A frequency mismatch between the modulation signal and the demodulation references, or an unsuitable low ...
Dongjing Zhang +6 more
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Resolved-GSERF: A Proficient NMR Approach for Identifying Accurate J-Coupling Constants of Targeted Peaks from Spectral Congestion [PDF]
MoleculesSElective ReFocusing (SERF)-based experiments present an effective tool for discerning proton–proton J-coupling constants of targeted spectral peaks. Nevertheless, the performance of SERF experiments highly relies on the selective excitation of isolated ...
Xiaoqing Lin
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Machine Learning Integrating SERF-MEG and VEP for Diagnosis and Differential Diagnosis of Optic Neuropathies [PDF]
BioengineeringVisual evoked potential (VEP) is widely used to assess optic nerve function, but its ability to differentiate optic neuropathies remains limited. This study investigated the diagnostic value of spin-exchange relaxation-free magnetoencephalography (SERF ...
Helei Wang +4 more
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Decoding Visual Pathway Dysfunction with SERF-MEG: A Study in Patients with Optic Neuropathy [PDF]
BioengineeringThis study aimed to characterize cortical dysfunction and frequency-specific network reorganization following optic nerve injury using spin-exchange relaxation-free magnetoencephalography (SERF-MEG), and to assess the potential of MEG-derived multiscale ...
Helei Wang +4 more
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PhotonicsBias instability is one of the most critical factors in the performance of spin-exchange relaxation-free (SERF) co-magnetometers. Previous studies on SERF co-magnetometers have shown that changes in the atomic ensemble temperature can lead to variations ...
Feng Liu, Lihong Duan, Wei Quan
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