2026-10-14T13:48:30Z https://www.scidb.cn/oai

10.57760/sciencedb.10157 2024-09-25T16:22:32Z

2024-09-25 Investigation of growth and polarized spectra of Ho3+ ions heavily doped BaY2F8 crystal doi:10.57760/sciencedb.10157 en A BaY2F8 (BYF) single crystal heavily doped with Ho3+ ion was grown successfully using the Czochralski (Cz) method. The infrared fluorescence spectra (2–4 μm) and fluorescence lifetime at 3.9 μm were investigated. The detailed polarization absorption properties of Ho:BYF, especially the absorption spectrum in 850–950 nm range, were reported for the first time. The maximum absorption cross-section was at 888.15 nm, σabs = 1.26✕10− 21 cm2 (E//c). In comparison, the peak positions of the absorption cross sections in the other two polarization directions were at 885.80 nm and 890.45 nm, respectively, indicating that incident light’s polarization direction greatly influences absorption. The spectroscopic parameters were calculated based on the Judd–Ofelt theory.  Crystal growth; Mid-infrared laser; Polarized absorption spectrum; Directly-pumped; Ho:BYF; Judd-ofelt theory xingkun Liu Guangzhu Chen Conghui Huang Chengchun Zhao Qiaorui Gong Yin Hang Siliang Shanming Li Qiannan Fang RESTRICTED dataset Science Data Bank