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《Optics and Precision Engineering》 2006-06
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Equivalent refractive index model on shielding effectiveness analysis of high transparency metallic mesh

LU Zhen-gang,TAN Jiu-bin,JIN Peng,LIU Jian(Institute of Ultra-precision Optoelectronic Instrument Engineering,Harbin Institute of Technology,Harbin 150001,China)  
A novel equivalent refractive index model of high transparency metallic mesh was proposed to calculate its shielding effectiveness accurately.Based on Ulrich's empirical method,LZ's equivalent reactance model and Kohin's equivalent film method,the model accurately established the relation among mesh equivalent refractive index,structural parameters and dielectric boundary refractive indexes so that it is easy to calculate the mesh shielding effectiveness under various incident angles and to prevent the invalidation of Chen's formulas about oblique incidence on high transparency.To identify the new model's validity,two kinds of metallic meshes in period of 160 μm,line width of 5.5 μm and period of 320 μm,line width of 4.5 μm were fabricated using UV-lithography,and the shielding effectiveness were measured by microwave network analyzer at 12~18 GHz.Experiment and analysis show that the new model's theoretical calculation error is less than 2 dB,more accurately than 4 dB of Ulrich's model and 8 dB of Chen's and LZ's models.
【Fund】: 教育部211工程支持项目
【CateGory Index】: TM15
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Chinese Journal Full-text Database 1 Hits
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【Citations】
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1 FENG Xiao-guo~(1,2),FANG Liang~3,SUN Lian-chun~1 (1.Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; 2.Graduate School of the Chinese Academy of Sciences, Beijing 100039, China; 3.Jilin University,Mech·-Elec·Eq·Research Institute Changchun 130022, China);Characteristic dimension design and fabrication of metallic mesh[J];Optics and Precision Engineering;2005-01
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【Co-citations】
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1 Ying Daan(Institute of seismology, State seismological Bureau, Wuhan. 430071)Lin Yinsen(Wuhan Technical University of surveying and mapping, 430070);TESTING TECHNIQUE OF "METHOD BY ONESELFERROR"FOR CONE PRISM OF HIGH EXACTITUDE[J];Acta Geodaetica Et Cartographic Sinica;1994-03
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6 FENG Xiaoguo~(1,2),LU Jun~3,XU Feng-lin~1,SUN Lian-chun~1(1.Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;2.Graduate School of the Chinese Academy of Sciences,Beijing 100049,China;3.College of Science,Changchun University of Science and Technology,Changchun 130022,China);Error analysis of fabricating isometric mesh on the concave of a spherical substrate by concentric optical scanning[J];Optics and Precision Engineering;2006-02
7 LU Zhen-gang,TAN Jiu-bin,LIU Yong-meng,LIU Jian,ZHANG Hui(Institute of Ultra-precision Optoelectronic Instrument Engineering,Harbin Institute of Technology,Harbin 150001,China);Influence of substrate on shielding effectiveness of metallic mesh under oblique incidence condition[J];Optics and Precision Engineering;2006-03
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1 FENG Xiao-guo~(1,2),FANG Liang~3,SUN Lian-chun~1 (1.Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; 2.Graduate School of the Chinese Academy of Sciences, Beijing 100039, China; 3.Jilin University,Mech·-Elec·Eq·Research Institute Changchun 130022, China);Characteristic dimension design and fabrication of metallic mesh[J];Optics and Precision Engineering;2005-01
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