Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5461520 | Journal of Alloys and Compounds | 2017 | 7 Pages |
Abstract
A new mixed crystal of Yb0.14Gd0.71Y0.15COB was grown by the Czochralski method. The polarized absorption spectra of the crystal were measured, and the absorption cross sections were determined to be 0.81 Ã 10â20 (E//X), 0.98 Ã 10â20 (E//Y) and 0.74 Ã 10â20 cm2 (E//Z) at 977 nm. The fluorescence bands corresponding to 2F5/2 â 2F7/2 transition were identified in 970-1125 nm wavelength range with four peaks located at 977, 1003, 1030 and 1081 nm. The emission cross-sections were calculated by a combination of the reciprocity method (RM) and Füchtbauer-Ladenburg (F-L) method. The fluorescence lifetime was recorded to be 2.59 ms. Effective continuous-wave (CW) laser operation was realized with this crystal, with a maximum laser output power of 9.28 W and a slope efficiency of 40.1% for laser operation. Our study may open up new opportunities toward the research and development of high-performance laser crystals.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Degao Zhong, Bing Teng, Weijin Kong, Shaohua Ji, Shiming Zhang, Jianhong Li, Lifeng Cao, Helin Jing, Linxiang He,