Abstract
A study of high-purity TeO2-ZnO based tellurite glasses doped with Er3+, Dy3+ or Tm3+ that could be used as laser media in the 2-3 μm spectral range is presented. The glasses are prepared by melting the oxides mixture inside a silica glass reactor in an atmosphere of purified oxygen. The low level of hydroxyl groups absorption allowed to measure correctly the luminescence decay characteristics of the dopants. The rare-earth ions absorption bands, the luminescence spectra and kinetic characteristics of emission from the levels 4I11/2, 4I13/2 of Er3+, 6H13/2 of Dy3+ and 3H4, 3H5, 3F4 of Tm3+ ions are investigated. The results confirm the high potential of tellurite glasses as an active media for bulk, planar waveguide and fiber lasers.
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CITATION STYLE
Motorin, S. E., Dorofeev, V. V., Galagan, B. I., Sverchkov, S. E., Koltashev, V. V., & Denker, B. I. (2018). Study of absorption and IR-emission of Er3+, Dy3+, Tm3+ doped high-purity tellurite glasses. In IOP Conference Series: Materials Science and Engineering (Vol. 347). Institute of Physics Publishing. https://doi.org/10.1088/1757-899X/347/1/012038
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