Results 1 to 10 of about 1,168 (158)

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, Zhai Yueyang
exaly   +3 more sources

Fiber-Coupled Fully Integrated Spin-Exchange Relaxation-Free Atomic Magnetometer for Functional Biomagnetic Measurements [PDF]

Sensors
The 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, Jianjun Li, Xinkun Li, Yuanxing Liu   +3 more
doaj   +2 more sources

An FSM-Assisted High-Accuracy Autonomous Magnetic Compensation Optimization Method for Dual-Channel SERF Magnetometers Used in Weak Biomagnetic Signal Measurement [PDF]

Sensors
Atomic 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, Bo Bao, Ridong Wang, Dachao Li   +3 more
doaj   +2 more sources

Femtotesla atomic magnetometer for zero- and ultralow-field nuclear magnetic resonance [PDF]

Magnetic Resonance Letters
Zero- 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, Yuanhong Wang, Zhenhan Shao, Qing Li, Min Jiang, Xinhua Peng   +5 more
doaj   +2 more sources

Multimodal Phase-Space Dynamics Fusion for Robust Ischemia Screening: An Edge-AI Paradigm with SERF Magnetocardiography [PDF]

Biosensors
Background: Myocardial ischemia (MI) is a major cause of morbidity and mortality worldwide and requires timely and reliable detection. Although Spin-Exchange Relaxation-Free (SERF) magnetocardiography (MCG) provides femtotesla-level sensitivity for ...
Keyi Li, Xiangyang Zhou, Yifan Jia, Ruizhe Wang, Yidi Cao, Jiaojiao Pang, Rui Shang, Yadan Zhang, Yangyang Cui, Dong Xu, Min Xiang   +10 more
doaj   +2 more sources

Decoding Visual Pathway Dysfunction with SERF-MEG: A Study in Patients with Optic Neuropathy [PDF]

Bioengineering
This 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, Yuankun Qi, Yu Lou, Xu Zhang, Xinda Song   +4 more
doaj   +2 more sources

Transient Heat Transfer Modeling of SERF Co-Magnetometer Atomic Ensemble Based on the Thermoelectric Analogy Method

Photonics
Bias 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
exaly   +3 more sources

SERF and Modified SERF Adders for Ultra Low Power Design Techniques

Procedia Engineering, 2012
AbstractThe increasing demand for the high fidelity portable devices has laid emphasis on the development of low power and high performance systems. In the next generation processors, the low power design has to be incorporated into fundamental computation units, such as adders and multipliers. In this paper SERF and Modified SERF full adder topologies
M Maheswari
exaly   +2 more sources

Metasurface-integrated elliptically polarized laser-pumped SERF magnetometers [PDF]

Microsystems & Nanoengineering
The emergence of biomagnetism imaging has led to the development of ultrasensitive and compact spin-exchange relaxation-free (SERF) atomic magnetometers that promise high-resolution magnetocardiography (MCG) and magnetoencephalography (MEG).
Zihua Liang, Jinsheng Hu, Peng Zhou, Lu Liu, Gen Hu, Ankang Wang, Mao Ye   +6 more
doaj   +2 more sources

The Problem of Biological Destruction (by Carpenter Millers) of Wood in the Excavation of the "Archaeological Museum "Berestye": history, combating, prespectives

Археология евразийских степей, 2023
In 1968–1981 the archaeologists of the Institute of History of the BSSR Academy of Sciences, headed by Doctor of History P.F. Lysenko, conducted excavations on the Hospital Island (Volyn fortification) of the Brest Fortress (Brest, Republic of Belarus ...
Roman A. Sych
doaj   +1 more source