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We have investigated the properties of Bose-Einstein condensates of sodium atoms in the upper hyperfine ground state in a purely optical trap. Condensates in the high-field seeking | F=2, m_F=-2> state were created from initially prepared | F=1,m_F=-1> condensates using a one-photon microwave transition at 1.77 GHz. The condensates were stored in a large-volume optical trap created by a single laser beam with an elliptical focus. We found condensates in the stretched state | F=2, m_F=-2> to bedoi:10.1103/physrevlett.90.090401 pmid:12689206 fatcat:3eerk63o75fbdiyx7geuta26qm