The absorption spectra of the Ce3þ/Er3þ/Yb3þ tri-doped glass ceramics (a). AM 1.5G spectrum in the 280~1100 nm wavelength region and the excitation spectrum of the P3 sample monitoring at 668 nm (b).
The absorption spectra of the Ce3þ/Er3þ/Yb3þ tri-doped glass ceramics (a). AM1.5G spectrum in the 280~1100 nm wavelength region and the excitation spectrum ofthe P3 sample monitoring at 668 nm (b).