Figure 2. Excitation (curve 1) and luminescence (curve 2) spectra of PiG sample #1

From

Luminescent Phosphor-in-Glass Composite for White Light-Emitting Diodes

M.A. Kistankina, V.A. Aseev, J.V. Tuzova, K.D. Mynbaev, V.E. Bougrov, N.V. Nikonorov, A.E. Romanov

Journal of Optoelectronics Engineering. 2017, 5(1), 7-9 doi:10.12691/joe-5-1-2