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Efficient 2.76 mu m continuous-wave laser in extremely lightly Er-doped CaF2 single-crystal fiber
Zhang, Z; Wu, QH; Wang, YX; Zhang, ZH; Wang, JY; Liu, JJ; Liu, J; Su, LB
2020-08-01
Source PublicationLASER PHYSICS LETTERS
ISSN1612-2011
Issue8
SubtypeArticle
AbstractRare-earth-doped single-crystal fibers are promising for use in developing high-power lasers due to their improved thermal management and excellent optical properties. In this work, Er-doped CaF(2)single-crystal fibers of good optical quality were successfully grown by a modified temperature gradient technique method. For the characteristic clustering effect of trivalent rare earth ions within fluorite crystals, a high-efficiency 2759.1 nm laser was obtained in a 1 at.% Er-doped CaF(2)crystal fiber. Moreover, even in an extremely lightly doped crystal fiber with a concentration of 0.5 at.%, a continuous-wave (CW) 2758.2 nm laser with a slope efficiency of 20% was achieved. Without the cascade lasing, a similar to 2.8 mu m CW laser operation pumped by a laser diode was first demonstrated in the case of a Er(3+)doping concentration below 1 at.%. The results suggest that Er-doped CaF(2)single-crystal fibers are promising for mid-infrared lasers.
DOI10.1088/1612-202X/ab9f3f
WOS KeywordDIODE ; PERFORMANCE ; CW
Language英语
WOS Research AreaOptics ; Physics
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27861
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhang, Z,Wu, QH,Wang, YX,et al. Efficient 2.76 mu m continuous-wave laser in extremely lightly Er-doped CaF2 single-crystal fiber[J]. LASER PHYSICS LETTERS,2020(8).
APA Zhang, Z.,Wu, QH.,Wang, YX.,Zhang, ZH.,Wang, JY.,...&Su, LB.(2020).Efficient 2.76 mu m continuous-wave laser in extremely lightly Er-doped CaF2 single-crystal fiber.LASER PHYSICS LETTERS(8).
MLA Zhang, Z,et al."Efficient 2.76 mu m continuous-wave laser in extremely lightly Er-doped CaF2 single-crystal fiber".LASER PHYSICS LETTERS .8(2020).
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