Spectral investigation of R, Ce:YAG ( R: Pr3+, Eu3+, Gd3+) single crystals and their applications in white LEDs
Du Yonga), Shao Chong-Yuna), Dong Yong-Junb), Yang Qiu-Honga), Hua Weib)
       
PL excitation spectra of Pr,Ce:YAG single crystal with various detected wavelengths: (a) 560 nm, (b) 609 nm, (c) 695 nm.