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中文摘要：
通过传输线方法实现了负介电常数（ENG）和负磁导率（MNG）材料,并在实验上研究了由两种单负材料组成的双层结构（ENG-MNG）的电磁隧穿性质.结果表明,两种单负材料均不支持电磁波的传播,然而ENG-MNG双层结构在结构的平均介电常数和平均磁导率分别为零的条件下,具有完全隧穿模,并且这一隧穿模不随着结构尺度的改变而改变.在隧穿频率点,通过对ENG-MNG双层结构中电场分布的模拟与测量,实验上观察到了倏逝场的指数放大.
英文摘要：
Epsilon-negative （ENG） and mu-negative （MNG） materials are fabricated by using transmission line （TL） approach,the electromagnetic tunneling properties of the bilayer structures with ENG-MNG materials are experimentally investigated. The results indicate that the two kinds of single negative materials do not support electromagnetic propagation modes,whereas the completely tunneling phenomenon occurs in the ENG-MNG pairs under special conditions when the average permittivity or average permeability equals zero respectively. Furthermore,the tunneling modes are insensitive to the scale length. Exponential amplification of the evanescent wave is also experimentally observed by simulating and measuring the electric field distributions in ENG-MNG structures at the tunneling frequency.
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