物理学报
物理學報
물이학보
2013年
6期
143-148
,共6页
戴雨涵%陈小浪%赵强?%张继华%陈宏伟%杨传仁
戴雨涵%陳小浪%趙彊?%張繼華%陳宏偉%楊傳仁
대우함%진소랑%조강?%장계화%진굉위%양전인
左手材料%开口谐振环%太赫兹%小型化
左手材料%開口諧振環%太赫玆%小型化
좌수재료%개구해진배%태혁자%소형화
left-handed metamaterials%split ring resonators%THz%miniaturization
开口谐振环(SRRs)结构可以激励磁谐振,实现负的磁导率.提出在SRRs两环间隙内引入相对交错的金属短线,并研究了金属短线对谐振频率的影响.结果表明:随着金属短线数目的增多,谐振频率显著降低,同时金属短线的结构参数如长度、宽度及间距也会对谐振频率产生影响.最后验证了金属短线的引入对减小器件尺寸有明显作用,且不因介质基底的存在而受到影响.新型磁谐振单元可为今后超材料的设计及实际应用提供新的参考.
開口諧振環(SRRs)結構可以激勵磁諧振,實現負的磁導率.提齣在SRRs兩環間隙內引入相對交錯的金屬短線,併研究瞭金屬短線對諧振頻率的影響.結果錶明:隨著金屬短線數目的增多,諧振頻率顯著降低,同時金屬短線的結構參數如長度、寬度及間距也會對諧振頻率產生影響.最後驗證瞭金屬短線的引入對減小器件呎吋有明顯作用,且不因介質基底的存在而受到影響.新型磁諧振單元可為今後超材料的設計及實際應用提供新的參攷.
개구해진배(SRRs)결구가이격려자해진,실현부적자도솔.제출재SRRs량배간극내인입상대교착적금속단선,병연구료금속단선대해진빈솔적영향.결과표명:수착금속단선수목적증다,해진빈솔현저강저,동시금속단선적결구삼수여장도、관도급간거야회대해진빈솔산생영향.최후험증료금속단선적인입대감소기건척촌유명현작용,차불인개질기저적존재이수도영향.신형자해진단원가위금후초재료적설계급실제응용제공신적삼고.
@@@@Split ring resonators (SRRs) can be used as a negative permeability medium near its magnetic resonance frequency. In this paper, a new type of THz-band magnetic resonance structure is proposed by introducing metal wires into traditional SRRs, and the effect of metal wires on the transmission characteristics of SRRs is numerically investigated. The results show that the resonant frequency of SRRs significantly decreases with the number of metal wires increasing. The parameters of metal wires, such as length Lx, width Wx and distance Gx also have influence on the resonant frequency of SRRs. Meanwhile, the results verify that the introduction of metal wires play an important role in reducing the size of the device, and cannot be affected by the presence of dielectric substrate. The new magnetic resonance structure proposed in this paper provides a reference for the design and practical applications of metamaterials in the future.