A new Yb-doped oxyorthosilicate laser crystal: Yb:Gd2SiO 5

  • Chengfeng Yan*
  • , Guangjun Zhao
  • , Lianhan Zhang
  • , Jun Xu
  • , Xiaoying Liang
  • , Du Juan
  • , Wenxue Li
  • , Haifeng Pan
  • , Liangen Ding
  • , Heping Zeng
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

A new Yb-doped oxyorthosilicate laser crystal, Yb:Gd2SiO 5 (Yb:GSO), has been grown by the Czochralski (Cz) method. The crystal structure was determined by means of X-ray diffraction analysis. Room temperature absorption and fluorescence spectra of Yb3+ ions in GSO crystal were measured. Then, spectroscopic parameters of Yb:GSO were calculated and compared with those of another Yb-doped oxyorthosilicate crystal Yb:YSO. Results indicated that Yb:GSO crystal seemed to be a very promising laser gain media in generating ultra-pulses and tunable solid state laser applications. As expected, the output power of 2.72 W at 1089 nm was achieved in Yb:GSO crystal with absorbed power of only 4.22 W at 976 nm, corresponding to the slope efficiency of 71.2% through the preliminary laser experiment.

Original languageEnglish
Pages (from-to)451-455
Number of pages5
JournalSolid State Communications
Volume137
Issue number8
DOIs
StatePublished - Feb 2006
Externally publishedYes

Keywords

  • A. Yb:GdSiO
  • B. Czochralski method
  • C. Crystal structure
  • D. Absorption spectra
  • D. Fluorescence spectra
  • D. Laser

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