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Synthesis of carbon nanodots in zeolite SAPO-46 channels for Q-switched fiber laser generation
Xu X.1; Chen J.1; Shi W.1; Sun D.1; Chu S.1; Sun L.1; Zhai J.1; Pei J.1; Wang L.1; Ruan S.1; Tang Z.2
2019-04-25
Source PublicationJournal of Alloys and Compounds
ISSN09258388
Pages837-844
AbstractCarbon nanodots (C-dots) have gained much attention due to their unique optical and physicochemical properties. Herein, C-dots with uniform size have been fabricated via an in situ pyrolysis of dipropylamine (DPA) organic amines confined in the channels of SAPO-46 (AFS). The as-obtained C-dots@AFS composite material shows nonlinear optical property, which can be used as saturable absorber (SA) to generate Q-switched ytterbium-doped fiber laser (YDFL). By inserting the C-dots@AFS SA into an YDFL cavity pumped by a 980 nm laser diode, stable passively Q-switched fiber laser can be obtained for a threshold pump power of 220 mW, and 4.5 μs pulses with a repetition rate of 33.51 kHz can be obtained for a pump power of 380 mW. To the best of our knowledge, this is the first demonstration of a C-dots@AFS-based Q-switched fiber laser.
KeywordC-dots Q-switched fiber laser Saturable absorber Zeolite
DOI10.1016/j.jallcom.2018.12.181
URLView the original
Language英語
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Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Shenzhen University
2.Universidade de Macau
Recommended Citation
GB/T 7714
Xu X.,Chen J.,Shi W.,et al. Synthesis of carbon nanodots in zeolite SAPO-46 channels for Q-switched fiber laser generation[J]. Journal of Alloys and Compounds,2019:837-844.
APA Xu X..,Chen J..,Shi W..,Sun D..,Chu S..,...&Tang Z..(2019).Synthesis of carbon nanodots in zeolite SAPO-46 channels for Q-switched fiber laser generation.Journal of Alloys and Compounds,837-844.
MLA Xu X.,et al."Synthesis of carbon nanodots in zeolite SAPO-46 channels for Q-switched fiber laser generation".Journal of Alloys and Compounds (2019):837-844.
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