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Spectroscopic properties of Ni and rare-earth codoped Ge-Ga-Sb-S glass |
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| Authors: | Jing Ren Tomas Wagner Jiri Orava Miloslav Frumar |
| Institution: | a University Pardubice, Faculty of Chemical Technology, Department of General and Inorganic Chemistry, Research Centre, Legion’s sq. 565, 53210 Pardubice, Czech Republic b Institute of Physics, Academy of Sciences of the Czech Republic, Cukrovarnicka 10, 162 53 Praha 6, Czech Republic c Joint Laboratory of Solid State Chemistry, Institute of Macromolecular Chemistry, Czech Academy of Sciences, University of Pardubice, Studentska 84, 53210 Pardubice, Czech Republic |
| Abstract: | The infrared emission properties of rare-earth (i.e., Dy3+, Pr3+ or Sm3+) and nickel-codoped Ge-Ga-Sb-S glasses were investigated by photoluminescence measurements. It was found that the emission intensities of the rare-earth doped glasses were significantly weakened even with very few amount of nickel (i.e., 500 at. ppm). On the other hand, the nickel-doped glasses show larger indices of refraction, which property will be desirable in nonlinear optics. Our results, however, suggest that to obtain rare-earth doped chalcogenide glasses of better infrared emission property it is necessary to keep the nickel dopant as low as possible. |
| Keywords: | A Chalcogenide A Glasses A Optical materials D Luminescence |
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