Suzuki, T., Nasu, H., Hughes, M., Mizuno, S., Hasegawa, K., Ito, H., & Ohishi, Y. (2010). Quantum efficiency measurements on Nd-doped glasses for solar pumped lasers. Journal of Non-Crystalline Solids, 356(44-49), 2344-2349. https://doi.org/10.1016/j.jnoncrysol.2010.03.037