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研究了螺旋结构手性材料的排列方式及其螺直径对金属螺旋体介电常数和反射/透射系数的影响.利用矢量网络分析仪测量了螺旋手性材料在8.2~12.4GHz的反射/透射系数和微波介电性能.结果表明,螺旋结构手性材料的排列方式和螺直径与微波性能密切相关.选取适当的排列方式和螺直径,可使手性材料的性质在左手和右手之间转变,并可使反射系数值在X波段内为0.05.

参考文献

[1] Tinoco I;Freeman M P .The optical activity of oriented copper helices.Ⅰ.Experimental[J].Journal of Physical Chemistry,1957,61(09):1169.
[2] Varadan V K;Varadan V V;Lakhtakia A .Regarding the sources of radiation fields in an isotropic chiral medium[J].Wave-Mater Int,1987,2(01):71.
[3] Varadan V V;Ro R;Varadan V K .Measurement of the electromagnetic properties of chiral composite materials in 8~40GHz range[J].Radio Science,1994,29(01):9.
[4] Guire T.;Varadan V.V. .Influence of chirality on the reflection of EM waves by planar dielectric slabs[J].IEEE Transactions on Electromagnetic Compatibility,1990(4):300-303.
[5] Alfred J Bahr;Karl R Clauaing .An approximate model for artifical chiral material[J].IEEE Transactions on Antennas and Propagation,1994,42(12):1592.
[6] 李玉莹,刘祖黎,潘华锦,姚凯伦.不同螺旋体浓度旋波介质吸波性能的研究[J].宇航材料工艺,2000(01):46-49.
[7] 章平;孙国才;刘祖黎 .An experimental study of the electromagnetic parameters on the carbon fiber chiral materials of composite matrix (Fe3O4与聚苯胺复合基质碳纤维手性材料电磁参数的实验研究)[J].华中师范大学学报(自然科学版),1999,33(02):196.
[8] Pendry J B;Holedn A J;Stewart W J et al.Extremely low frequency plasmons in metallic mesostructures[J].Physical Review Letters,1996,76(25):4773.
[9] N.I. Landy;S. Sajuyigbe;J.J. Mock;D.R. Smith;W. J. Padilla .Perfect Metamaterial Absorber[J].Physical review letters,2008(20):279-282.
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