Abstract:
An investigation was made of the spectroscopic properties of YAG:Cr3+ and YAG:Cr3+:Er3+ crystals. The decay kinetics of the Cr3+ ions was also studied. Efficient nonradiative transfer of energy from the Cr3+ to the Er3+ ions was observed at room temperature. In YAG:Cr3+:Er3+ crystals (4I11/2→4I13/2 transition) free-running stimulated emission was obtained at the 2.698 μm wavelength at room temperature. The mechanism for filling of the active levels of the Er3+ ions in these crystals is discussed.
Citation:
Yu. K. Voronko, S. B. Gessen, I. V. Gribkov, V. V. Osiko, P. A. Ryabochkina, V. M. Tatarintsev, S. N. Ushakov, L. I. Tsymbal, “Sensitization of the Er3+ luminescence in (YЕr)3Аl5O12Сr3+ crystals and lasing at the 2.7 μm wavelength”, Kvantovaya Elektronika, 17:8 (1990), 1007–1009 [Sov J Quantum Electron, 20:8 (1990), 923–925]
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https://www.mathnet.ru/eng/qe7307
https://www.mathnet.ru/eng/qe/v17/i8/p1007
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Igor V. Mochalov, Gurii T. Petrovskii, Alexander V. Sandulenko, Vitalii A. Sandulenko, Miguel Cervantes, Vladimir S. Terpugov, Appl. Opt., 36:18 (1997), 4090