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Conferences > ASSL > 1994 > TS > TS3

Characterization of Optical Centers in Mn:Ba3(VO4)2 by Spin-Echo EPR Spectroscopy

Michael H. Whitmore, Christian T. Farrar, David J. Singel, Bart Buysse, Jan Coremans, and Jan Schmidt

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Abstract

Novel cw, time-resolved, and optical double resonance modes of EPR spectroscopy provide a detailed characterization of a new laser material, Mn:Ba3(VO4)2. The presence of both Mn4+ and Mn5+ centers in shown by cw EPR spectroscopy. Spin-echo modulation effects provide experimental evidence that the manganese substitutes for vanadium at tetrahedral lattice sites. A new spin-echo optical double resonance technique is introduced to selectively probe the near IR absorption spectrum of the Mn5+ center, in order to prove that Mn^+ is the active ion.

© 1994 Optical Society of America

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