典型文献
Direct writing-in and visualizing reading-out data storage with high capacity in low-cost plastics
文献摘要:
The explosive growth of the global data volume demands new and advanced data storage methods.Here,we re-port that data storage with ultrahigh capacity(~1 TB per disc)can be realized in low-cost plastics,including polycarbonate(PC),precipitated calcium carbonate(PCC),polystyrene(PS),and polymethyl methacrylate(PMMA),via direct fs laser writing.The focused fs laser can modify the fluorescence of written regions on the surface and in the interior of PMMA,enabling three-dimensional(3D)information storage.Through the 3D laser processing platform,a 50-layer data record with low bit error(0.96%)is archived.Visual reading of data is empowered by the fluorescence contrast.The broad variation of fluorescence intens-ity assigns 8 gray levels,corresponding to 3 bits on each spot.The gray levels of each layer present high stability after long-term aging cycles,confirming the robustness of data storage.Upon single pulse control via a high-frequency electro-optic modu-lator(EOM),a fast writing speed(~1 kB/s)is achieved,which is limited by the repetition frequency of the fs laser.
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作者姓名:
Xin Wei;Weiwei Zhao;Jintao Yang;Yong Zhang;Junming Song;Zhenhua Ni;Junpeng Lu;Hongwei Liu
作者机构:
School of Physics and Key Laboratory of MEMS of the Ministry of Education,Southeast University,Nanjing 211189,China;Jiangsu Key Lab on Opto-Electronic Technology,School of Physics and Technology,Nanjing Normal University,Nanjing 210023,China
文献出处:
引用格式:
[1]Xin Wei;Weiwei Zhao;Jintao Yang;Yong Zhang;Junming Song;Zhenhua Ni;Junpeng Lu;Hongwei Liu-.Direct writing-in and visualizing reading-out data storage with high capacity in low-cost plastics)[J].半导体学报(英文版),2022(06):37-42
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AB值:
0.644871
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