Abstract
Up-conversion can be the main mechanism of energy losses in laser glasses with high concentration of erbium ions. This investigation is devoted to the evaluation of up-conversion parameters in several phosphate and silicate Er-doped glasses. Analysis of the luminescent lifetime shortening at high excitation level has shown that the up-conversion parameters in different glasses can differ by an order of magnitude. The smallest up-conversion was observed in Ba crown silicate glass and Li–Ln-phosphate glass.
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Acknowledgments
This work was supported by RFBR Grants #13-02-00571a in the part of spectral investigations and #14-29-08168ofi_m in the part of glass preparation.
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Denker, B.I., Galagan, B.I. & Sverchkov, S.E. Up-conversion losses in different erbium-doped laser glasses. Appl. Phys. B 120, 367–372 (2015). https://doi.org/10.1007/s00340-015-6145-6
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DOI: https://doi.org/10.1007/s00340-015-6145-6