Recently, Negative Index of Refraction Material, or, Left Handed Material, as a new type metamaterial, has generated great interest.
负折射率介质材料作为一种新型的人工电磁材料，近年来引起了人们极大的研究兴趣。
参考来源 - 负折射率包层渐变折射率芯层光纤的波导色散研究·2,447,543篇论文数据，部分数据来源于NoteExpress
What would a negative index of refraction look like?
如果折射率是负的,会发生什么事情?
Within the coupled resonant frequency region, the negative index of refraction can be achieved.
在负的磁导率和负的介电常数重叠的频率区域，能得到一个负的折射系数。
If water had a negative index of refraction, then a straw placed in a glass would appear to bend back under itself.
如果水具有负折射率，那么放在玻璃杯中的吸管似乎可能弯曲到自身下方。
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