Growth and Spectral Characteristics of Yb~(3+)-doped LiGd(MoO_4)_2 Crystal

• 作 者: 黄新阳 王国富
• 机 构: Institute of Research on the Functional Materials,Jiangxi University of Finance and Economy,Institut
• 出 处: 结构化学
• 发表日期: 2010年06期
• 关键词: lifetime FWHM Czochralski sections polarized broadband maximal centered tunable

The Yb3+-doped LiGd(MoO4)2 crystal with the size up to Φ20×30 mm3 has been grown by Czochralski technique.The polarized room temperature absorption and emission spectra have been investigated.This crystal exhibits a broad absorption band centered at 975 nm with an FWHM of 43 and 59 nm for π-and σ-polarization,respectively,and the corresponding maximal absorption cross-sections are 3.36 and 2.42×10-20 cm2.The emission broadband has an FWHM of 47 and 54 nm for π-and σ-polarization,respectively,with the corresponding emission cross sections of 3.92 and 3.34 × 10-20 cm2 at 1020 nm.The measured fluorescence lifetime is 287 μs.

The Yb3 + -doped LiGd (MoO4) 2 crystal with the size up to Φ20 × 30 mm3 has been grown by Czochralski technique. The polarized room temperature absorption and emission spectra have been investigated. This crystal exhibits a broad absorption band centered at 975 nm with an FWHM of 43 and 59 nm for π-and σ-polarization, respectively, and the corresponding maximal absorption cross-sections are 3.36 and 2.42 × 10-20 cm2. The emission broadband has an FWHM of 47 and 54 nm for π-and σ-polarization, respectively, with the corresponding emission cross sections of 3.92 and 3.34 × 10-20 cm2 at 1020 nm. The measured fluorescence lifetime is 287 μs.