Metastability Exchange Optical Pumping of Helium-3 at High Pressures and 1.5 T: Comparison of two Optical Pumping Transitions

Abstract : At low magnetic field, metastability exchange optical pumping of helium-3 is known to provide high nuclear polarizations for pressures around 1 mbar. In a recent paper, we demonstrated that operating at 1.5 T can significantly improve the results of metastability exchange optical pumping at high pressures. Here, we compare the performances of two different optical pumping lines at 1.5 T, and show that either the achieved nuclear polarization or the production rate can be optimized.
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https://hal.archives-ouvertes.fr/hal-00005161
Contributor : Marie Abboud <>
Submitted on : Monday, June 6, 2005 - 2:46:23 PM
Last modification on : Tuesday, May 14, 2019 - 10:55:41 AM
Long-term archiving on : Thursday, April 1, 2010 - 9:37:47 PM

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Marie Abboud, Alice Sinatra, Geneviève Tastevin, Pierre-Jean Nacher, Xavier Maître. Metastability Exchange Optical Pumping of Helium-3 at High Pressures and 1.5 T: Comparison of two Optical Pumping Transitions. Laser Physics, MAIK Nauka/Interperiodica, 2005, 15, 4, pp.475-479. ⟨hal-00005161⟩

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