Spectroscopic characterization of Yb:Sc<sub>2</sub>O<sub>3</sub> transparent ceramics |
| |
| Authors: | Lu Shen-Zhou and Yang Qiu-Hong |
| |
| Affiliation: | School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China |
| |
| Abstract: | Yb:Sc2O3 transparent ceramics are fabricated by a conventional ceramic process and sintering in H2 atmosphere. The room-temperature spectroscopic properties are investigated, and the Raman spectrum shows an obvious vibration characteristic band centred at 415 cm 1 . There are three broad absorption bands around 891, 937, and 971 nm, respectively. The strongest emission peak is centred at 1.04 μm with a broad bandwidth (11 nm) and an emission cross-section of 1.8×10 20 cm 2 . The gain coefficient implies a possible laser ability in a range from 990 nm to 1425 nm. The energy-level structure shows that Yb:Sc 2 O 3 ceramics have large Stark splitting at the ground state level due to their strong crystal field. All the results show that Yb:Sc2O3 transparent ceramics are a promising material for short pulse lasers. |
| |
| Keywords: | Yb:ScO transparent ceramics spectroscopic properties |
| 本文献已被 维普 等数据库收录！ |
|
