Longdell, Jevon; Sellars, Matthew; Manson, Neil
We present characterization of the hyperfine interaction for the ground (3H4) and one optically excited state (1D2) of praseodymium impurities in a yttrium orthosilicate crystal. The Zeeman and pseudoquadrupole tensors were inferred by measuring the hyperfine splittings while rotating the direction of a weak (∼40 G) magnetic field. The hyperfine spectra were recorded using Raman-heterodyne spectroscopy, a rf-optical double resonance technique.
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