Figure 5

CIE chromaticity coordinates for the luminescence of the glass under different λex and Pex.
(a) λex = 390, 392 and 394 nm and (b) λex = 400 nm.

CIE chromaticity coordinates for the luminescence of the glass under different λex and Pex.
(a) λex = 390, 392 and 394 nm and (b) λex = 400 nm.