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Whispering Gallery Mode Laser from Carbon Dot-NaCI Hybrid Crystals
Liu, H. Z.; F. Wang; Y. P. Wang; J. J. Mei and D. X. Zhao
2017
发表期刊Acs Applied Materials & Interfaces
卷号9期号:21
摘要Carbon dot (CD)-NaCl hybrid crystals are obtained by incorporating the CDs into NaCl matrix through a simple process. The embedded CDs have added the luminescence centers into NaCl, and as a result, the hybrid crystals present the fluorescence centered at 510 nm under the illumination of 365 nm light. Meanwhile, the phosphorescence with an average lifetime of 314 ms is achieved after the 365 nm light was turned off. Furthermore, optical gain and lasing phenomenon has been observed from hybrid crystals. When the pump power is low, a weak spontaneous emission can be observed from the hybrid crystal, whereas the lasing action was observed under high pump power. The lasing threshold is found to be 0.08 mW and corresponding Q factor is calculated to be 447. The tiny cubic crystal in hybrid crystals offers the whispering gallery mode (WGM) resonant cavity for lasing emission. That has provided a new approach for realizing lasing, materials.
收录类别sci ; ei
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/59069
专题中科院长春光机所知识产出
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Liu, H. Z.,F. Wang,Y. P. Wang,et al. Whispering Gallery Mode Laser from Carbon Dot-NaCI Hybrid Crystals[J]. Acs Applied Materials & Interfaces,2017,9(21).
APA Liu, H. Z.,F. Wang,Y. P. Wang,&J. J. Mei and D. X. Zhao.(2017).Whispering Gallery Mode Laser from Carbon Dot-NaCI Hybrid Crystals.Acs Applied Materials & Interfaces,9(21).
MLA Liu, H. Z.,et al."Whispering Gallery Mode Laser from Carbon Dot-NaCI Hybrid Crystals".Acs Applied Materials & Interfaces 9.21(2017).
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