Chinese Journal of Lasers, Volume. 51, Issue 9, 0907001(2024)
Advancements in Nuclear Magnetic Resonance Research Based on Laser Pumped Atomic Sensors
Fig. 1. Schematic diagram of NMR measurement based on LPAS (ST: sample transmission; MS: magnetic shield; LPAS: laser-pumped atomic sensors). (a) Enhanced polarization of the sample under investigation; (b) the sample after enhanced polarization is transferred to the LPAS measurement area for NMR measurement
Fig. 2. Schematic diagram of LPAS (BD: balanced photodetector; PBS: polarizing beam splitter)
Fig. 3. Schematic diagram of an NMOR LPAS
Fig. 4. Zero-field NMR spectrum of natural isotope abundance 15N-pyridine with SABRE polarization measured by commercial LPAS, where the SABRE reaction scheme is shown in the inset[49]
Fig. 5. Detailed structure of the high-frequency multiplets in the ZF-TOCSY spectrum of 1-13C ethanol[64]
Fig. 6. Magnetic shieldless 3D ultralow field MRI of digital model[89]. (a) FT-LPAS 3D ultralow field MRI measuring device; (b) geometry of the digital model; (c) digital model 3D imaging slices, the direction is from H plane to K plane of the model
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Kexiang Mou, Zheng Tan, Li Wang, Xianping Sun, Chaohui Ye, Xin Zhou. Advancements in Nuclear Magnetic Resonance Research Based on Laser Pumped Atomic Sensors[J]. Chinese Journal of Lasers, 2024, 51(9): 0907001
Category: biomedical photonics and laser medicine
Received: Sep. 8, 2023
Accepted: Oct. 27, 2023
Published Online: Apr. 26, 2024
The Author Email: Zhou Xin (xinzhou@wipm.ac.cn)