The effect of small phosphorus oxide additions on the optical transmission of silicate glasses in the visible and near-IR regions is studied. It is shown that an increase of the phosphorus concentration is accompanied by an intensification of IR absorption; this is due to an increase of the relative content of divalent iron and its possible transition to octahedral coordination. The increase of visible-range absorption is negligible and cannot become an obstacle for phosphorus doping of commercial silicate glasses.
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Translated from Steklo i Keramika, No. 5, pp. 21 – 23, May, 2009.
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Mulevanov, S.V., Min’ko, N.I., Kemenov, S.A. et al. Effect of phosphorus oxide additions on the spectral-optical characteristics of silicate glasses. Glass Ceram 66, 173–175 (2009). https://doi.org/10.1007/s10717-009-9157-z
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DOI: https://doi.org/10.1007/s10717-009-9157-z