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• W2895834572 abstract "Here we present a Rb-^{129}Xe spin-exchange optical pumping polarizer capable of rapid generation of large volumes of highly polarized ^{129}Xe gas. Through modeling and measurements we maximize the ^{129}Xe nuclear spin polarization output to enable the generation of polarized ^{129}Xe gas imaging volumes (300 cm^{3}) every 5 min within a clinical setting. Our model is verified by experiment to correctly predict the optimum Rb vapor density for maximum ^{129}Xe nuclear polarization for a flux 3.4 W/cm^{2} of circularly polarized Rb D_{1} photons incident on an 80 cm long cylindrical optical cell. We measure a ^{129}Xe magnetization production efficiency of η_{pr}=1.8%, which approaches the photon efficiency limit η_{γ}=3.3% of this system and enables the polarization of 2.72×10^{22} ^{129}Xe spins per hour, corresponding to 1013 cm^{3} of 100% polarized ^{129}Xe at STP. This magnetization production rate is threefold higher than the highest previously published ^{129}Xe magnetization production rate and has enabled routine clinical lung magnetic resonance imaging (MRI) with hyperpolarized ^{129}Xe doses available on demand at run time, as well as high-SNR ^{129}Xe MRI of the human brain and kidneys." @default.
• W2895834572 created "2018-10-26" @default.
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• W2895834572 date "2018-10-08" @default.
• W2895834572 modified "2023-10-01" @default.
• W2895834572 title "<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Xe</mml:mi></mml:mrow><mml:mprescripts /><mml:none /><mml:mrow><mml:mn>129</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math> -Rb Spin-Exchange Optical Pumping with High Photon Efficiency" @default.
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• W2895834572 doi "https://doi.org/10.1103/physrevlett.121.153201" @default.
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