Shi Ruohua, Yu Jiaqi, Wang Zhongka. UPCONVERTED BLUE FLUORESCENCE UNDER PULSED-PUMPING IN LiYF<sub>4</sub>:Nd<sup>3 +</sup>[J]. Chinese Journal of Luminescence, 1993,14(1): 38-48
Shi Ruohua, Yu Jiaqi, Wang Zhongka. UPCONVERTED BLUE FLUORESCENCE UNDER PULSED-PUMPING IN LiYF<sub>4</sub>:Nd<sup>3 +</sup>[J]. Chinese Journal of Luminescence, 1993,14(1): 38-48DOI: