中国物理B ›› 2012, Vol. 21 ›› Issue (4): 47801-047801.doi: 10.1088/1674-1056/21/4/047801

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇    下一篇

陆神洲,杨秋红   

  • 收稿日期:2011-06-30 修回日期:2011-10-10 出版日期:2012-02-29 发布日期:2012-02-29
  • 通讯作者: 杨秋红,yangqiuhongcn@yahoo.com.cn E-mail:yangqiuhongcn@yahoo.com.cn

Spectroscopic characterization of Yb:Sc2O3 transparent ceramics

Lu Shen-Zhou(陆神洲) and Yang Qiu-Hong(杨秋红)   

  1. School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China
  • Received:2011-06-30 Revised:2011-10-10 Online:2012-02-29 Published:2012-02-29
  • Contact: Yang Qiu-Hong,yangqiuhongcn@yahoo.com.cn E-mail:yangqiuhongcn@yahoo.com.cn
  • Supported by:
    Project supported by the Key Basic Research Project of Science and Technology Commission of Shanghai, China (Grant No. 09JC1406500).

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 cm2. The gain coefficient implies a possible laser ability in a range from 990 nm to 1425 nm. The energy-level structure shows that Yb:Sc2O3 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.

Key words: Yb:Sc2O3, transparent ceramics, spectroscopic properties

中图分类号:  (Infrared and Raman spectra)

  • 78.30.-j
42.70.Hj (Laser materials) 81.05.Je (Ceramics and refractories (including borides, carbides, hydrides, nitrides, oxides, and silicides))