Abstract

This paper presents the luminescence spectra of potassium–aluminoborate glasses containing copper (i) and chloride ions in the temperature interval 20°C–300°C. It shows that, when the temperature is increased, the luminescence thermochromic effect is observed in the glass, consisting of a short-wavelength shift of the maximum of the luminescence band by 100 nm while insignificantly changing the luminescence intensity at the maximum.

© 2014 Optical Society of America

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