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Method for producing large, stable concentrations of Sc2+in optically clear CaF2 crystals

  • C. L. Marquardt (a1), J. F. Pinto (a1), R. E. Allen (a1), L. Esterowitz (a1), A. Yu Dergachev (a2), S. Ke (a2) and S. B. Mirov (a2)...

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This communication describes a new method for producing stable, high concentrations of Sc2+ in optically clear CaF2 crystals. We have achieved Sc2+ concentrations as high as 3 × 1018 cm−3 without degradation of optical quality. We have converted as much as 5% of the scandium dopant to the divalent state. The concentration of divalent scandium is stable during room temperature storage for periods of at least one year.

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1.Dergachev, A.Yu., Mirov, S.B., Sibley, W.A., Esterowitz, L., Sigachev, V.B. and Papashvili, A.G., OSA TOPS: Advanced Solid State Lasers, edited by Payne, S.A. and Pollock, C. (Optical Society of America, Washington, DC, 1996), Vol. 1, pp. 482487.
2.Mirov, S.B., Dergachev, A.Yu., Sibley, W.A., Esterowitz, L., Basiev, T. T., Sigachev, V. B., and Papashvili, A.G., J. Lumin. 69, 35 (1996).
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4.Krotova, L.V., Mikaelyan, R.G., and Osiko, V.V., translated from Izv. Akad. Nauk SSSR: Neorgan. Mater. 3, 1123 (1967).
5.O'Connor, J. R. and Chen, J.H., J. Phys. Chem. Solids 24, 1382 (1963).
6.Dergachev, A.Yu., Ke, S., and Mirov, S. B., private communication (Nov. 19, 1996).
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11. See, for example, Shulman, J–H. and Compton, W.D., Color Centers in Solids (Pergamon Press, New York, 1963), and references cited therein.

Method for producing large, stable concentrations of Sc2+in optically clear CaF2 crystals

  • C. L. Marquardt (a1), J. F. Pinto (a1), R. E. Allen (a1), L. Esterowitz (a1), A. Yu Dergachev (a2), S. Ke (a2) and S. B. Mirov (a2)...

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