Optically polarized

TR Gentile, PJ Nacher, B Saam, TG Walker - Reviews of modern physics, 2017 - APS
This article reviews the physics and technology of producing large quantities of highly spin-
polarized He 3 nuclei using spin-exchange (SEOP) and metastability-exchange (MEOP) …

Fundamentals of spin-exchange optical pumping

TG Walker - Journal of Physics: Conference Series, 2011 - iopscience.iop.org
The standard model of Spin-Exchange Optical Pumping of 3 He has come under close
scrutiny as researchers try to maximize the quantity and polarization of 3 He. This paper will …

Low-noise high-density alkali-metal scalar magnetometer

SJ Smullin, IM Savukov, G Vasilakis, RK Ghosh… - Physical Review A …, 2009 - APS
We present an experimental and theoretical study of a scalar atomic magnetometer using an
oscillating field-driven Zeeman resonance in a high-density optically pumped potassium …

Hybrid optical pumping of optically dense alkali-metal vapor without quenching gas

MV Romalis - Physical review letters, 2010 - APS
Optical pumping of an optically thick atomic vapor typically requires a quenching buffer gas,
such as N 2, to prevent radiation trapping of unpolarized photons which would depolarize …

Optimized production of hyperpolarized 129Xe at 2 bars for in vivo lung magnetic resonance imaging

G Norquay, SR Parnell, X Xu, J Parra-Robles… - Journal of Applied …, 2013 - pubs.aip.org
In this work, the production rate of a spin-exchange optical pumping 129 Xe gas polarizer
was optimized for routine generation of hyperpolarized 129 Xe for in vivo lung MRI. This …

[HTML][HTML] Closed-loop control of the longitudinal axis compensation point in the K-Rb-21Ne comagnetometer

K Zhang, P Du, L Duan, Z Cai, L Yuan, H Gao, W Fan… - Results in Physics, 2023 - Elsevier
Magnetic field drift is a significant factor that influences the long-term stability of the spin-
exchange relaxation-free (SERF) comagnetometer. This work proposes a real-time closed …

Pump beam influence on spin polarization homogeneity in the nuclear magnetic resonance gyroscope

J Yuchen, L Zhanchao, Z Binquan… - Journal of Physics D …, 2019 - iopscience.iop.org
In this study, we investigated the influence of the pump beam on the electronic and nuclear
spin polarization homogeneity in the nuclear magnetic resonance gyroscope (NMRG). An …

Dual-species all-optical magnetometer based on a Cs-K hybrid vapor cell

Y Ding, W Xiao, Y Zhao, T Wu, X Peng, H Guo - Physical Review Applied, 2023 - APS
We build and characterize a dual-species all-optical magnetometer based on a Cs-K hybrid
vapor cell with a paraffin coating. Using the amplitude-modulated Bell-Bloom scheme and …

Characterizing and modeling the efficiency limits in large-scale production of hyperpolarized

MS Freeman, K Emami, B Driehuys - Physical Review A, 2014 - APS
The ability to produce liter volumes of highly-spin-polarized Xe 129 enables a wide range of
investigations, most notably in the fields of materials science and biomedical magnetic …

Measurement and analysis of polarization gradient relaxation in the atomic comagnetometer

L Yuan, J Huang, W Fan, Z Wang, K Zhang, H Pei… - Measurement, 2023 - Elsevier
In the spin-exchange relaxation-free (SERF) comagnetometer, the transverse nuclear spin
relaxation associated with the electron spin polarization gradient restricts the low-frequency …