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Xenon NMR Measurements of Permeability and Tortuosity in Reservoir Rocks
R. Wang, T. Pavlin, M. S. Rosen +3
In this work we present measurements of permeability, effective porosity and tortuosity on a variety of rock samples using NMR/MRI of thermal and laser-polarized gas. Permeability…
Study of Gas-Fluidization Dynamics with Laser-Polarized 129Xe
R. Wang, M. S. Rosen, D. Candela +2
We report initial NMR studies of gas dynamics in a particle bed fluidized by laser-polarized xenon (129Xe) gas. We have made preliminary measurements of two important characteristi…
Modulation induced frequency shifts in a CPT-based atomic clock
D. F. Phillips, I. Novikova, C. Y. -T. Wang +2
We investigate systematic errors associated with a common modulation technique used for phase sensitive detection of a coherent population trapping (CPT) resonance. In particular,…
Dynamic optical bistability in resonantly enhanced Raman generation
I. Novikova, A. S. Zibrov, D. F. Phillips +2
We report observations of novel dynamic behavior in resonantly-enhanced stimulated Raman scattering in Rb vapor. In particular, we demonstrate a dynamic hysteresis of the Raman sca…
3He Lung Imaging in an Open Access, Very-Low-Field Human MRI System
R. W. Mair, M. I. Hrovat, S. Patz +7
The human lung and its functions are extremely sensitive to gravity, however the conventional high-field magnets used for most laser-polarized 3He MRI of the human lung restrict su…