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Spectroscopic studies of the copper-cadmium halide photochromic glasses

Marczuk K., Mirowska N.

Optica Applicata

2005

Vol. 35, nr 4

859-867

The spectra of optical absorption, luminescence excitation and photoluminescence in the range of 200-750 nm in the Cu-Cd-photochromic glasses were measured. As a matrix of photochromic glass the sodium-borosilicate glass was used. The absorption within the UV wavelength range (200-300 nm) is connected to various structural defects of the matrix glass. The changes of the optical absorption and photoluminescence excitations resulting from the UV radiation in the Cu-Cd-photochromic glasses have been analysed. It was noticed the share of the matrix glass structure components in creation of the colour centers stable of room temperature.