CHEN Bao-jiu, WANG Hai-yu, QIN Wei-ping, XU Wu, HUANG Shi-hua. Optical Transitions and the Upconversion from IR to Visible of Yb<sup>3+</sup> and Er<sup>3+</sup> Co-doped Fluoroborate Glass[J]. Chinese Journal of Luminescence, 2000,21(1): 38-42
CHEN Bao-jiu, WANG Hai-yu, QIN Wei-ping, XU Wu, HUANG Shi-hua. Optical Transitions and the Upconversion from IR to Visible of Yb<sup>3+</sup> and Er<sup>3+</sup> Co-doped Fluoroborate Glass[J]. Chinese Journal of Luminescence, 2000,21(1): 38-42DOI: