1Department of Physics, Nankai University, Tianjin 300071
2Department of Physics, Tianjin Education College, Tianjin 300020
3Research Institute of Artificial Crystalline, Beijing 100018
4Experiment Center, Fujian Normal University, Fuzhou 350007
Cite this article:
CHEN Xiaobo, ZHANG Guangyin, WANG Hong et al 1993 Chin. Phys. Lett. 10 242-244
Abstract In this paper we report the observation of multi-photon up-conversion luminescence phenomenon of ErP5O14 noncrystalline induced by pulse DCM dye laser and clarify that the mechanism of up-conversion is the step by step absorption of single Er3+ ion.