采用模板辅助化学电沉积法制备出中间介质层为PVA(聚乙烯醇)的双鱼网孔洞结构,透射测量发现在绿光波长550nm附近出现一个较低的透射峰.若在中间介质层中掺入活性介质Rh B,测得的透射峰位置基本保持不变,但是透射率增强了9％.随后又观测到在距离该样品约270nm处能实现平板聚焦,这比未掺杂RhB的情况更明显.因此,掺杂RhB的双鱼网结构能够在一定程度上降低损耗,使其具有良好的左手特性.
参考文献
| [1] | Veselago V G .The electrodynamics of substances with simultaneously negative values of permittivity and permeability[J].Soy Hys Usp,1968,10:509. |
| [2] | Seddon N;Bearpark T .Observation of the inverse doppler effect[J].Science,2003,302:1537. |
| [3] | Parazzoli CG.;Greegor RB.;Li K.;Koltenbah BEC.;Tanielian M. .Experimental verification and simulation of negative index of refraction using Snell's law - art. no. 107401[J].Physical review letters,2003(10):7401-0. |
| [4] | Pendry JB. .Negative refraction makes a perfect lens[J].Physical review letters,2000(18):3966-3969. |
| [5] | Houck AA.;Brock JB.;Chuang IL. .Experimental observations of a left-handed material that obeys Snell's law - art. no. 137401[J].Physical review letters,2003(13):7401-0. |
| [6] | Shelby R;Smith D R;Schulrz S .Experimental verification of a negative index of refraction[J].Science,2001,292:77. |
| [7] | Pendry J.B.;Robbins D.J.;Stewart W.J.;Holden A.J. .Magnetism from conductors and enhanced nonlinear phenomena[J].IEEE Transactions on Microwave Theory and Techniques,1999(11):2075-2084. |
| [8] | Zhu W R;Zhao X P;Guo J Q .Multibands of negative refractive indexes in the left-handed metamaterials with multiple dendritic structures[J].Applied Physics Letters,2008,92:241116. |
| [9] | Zhou X;Fu Q H;Zhao J et al.Negative permeability and subwavelength focusing of quasi-periodic dendritic cell metamaterials[J].Optics Express,2006,14:7188. |
| [10] | Liu H;Zhao X P;Yang Y et al.Fabrication of infrared left-handed metarnaterials via double template-assisted clectrochemical deposition[J].Advanced Materials,2008,20(11):2050. |
| [11] | Liu B Q;Zhao X P;Zhu W R et al.Multiple pass-band optical left-handed metamaterials based on random dendritic cells[J].Advanced Functional Materials,2008,21(08):3523. |
| [12] | X. P. Zhao;W. Luo;J. X. Huang;Q. H. Fu;K. Song;X. C. Cheng;C. R. Luo .Trapped rainbow effect in visible light left-handed heterostructures[J].Applied physics letters,2009(7):071111-1-071111-3. |
| [13] | 相建凯,马忠洪,赵延,赵晓鹏.可见光波段超材料的平面聚焦效应[J].物理学报,2010(06):4023-4029. |
| [14] | 汤世伟,朱卫仁,赵晓鹏.光波段多频负折射率超材料[J].物理学报,2009(05):3220-3223. |
| [15] | 安国斐,高琳锋,赵晓鹏.聚苯乙烯微球的可控制备研究[J].功能材料,2010(09):1571-1574. |
| [16] | Liu H;Zhao X P;Yang Y et al.Fabrication of infrared left-handed metamaterials via double template-assisted electrochemical deposition[J].Advanced Materials,2008,20:2050. |
| [17] | Pinchuk A;Kreibig U;Hilger A .Optical properties of metallic nanoparticles:Influence of interface effects and interband transitions[J].Surface Science,2004,557:269. |
| [18] | Drachev V P et al.The Ag dielectric function in plasmonic metamaterials[J].Optics Express,2008,16:1186. |
| [19] | Noginov M A et al.Enhancement of surface plasmons in an Ag aggregate by optical gain in a dielectric medium[J].Optics Letters,2006,31:3022. |
| [20] | Ramakrishna S A;Pendry J B .Removal of absorption and increasc in resolution in a near-field lens via optical gain[J].Physical Review B:Condensed Matter,2003,67:201101. |
| [21] | Klar T A;Kildisher A V;Drachev V P et al.Negative-index metamaterial:Going optical[J].IEEE Journal of Selected Topics in Quantum Electronics,2006,12:1106. |
| [22] | Sarychev AK;Tartakovsky G .Magnetic plasmonic metamaterials in actively pumped host medium and plasmonic nanolaser[J].Physical review, B. Condensed matter and materials physics,2007(8):5436-1-5436-9-0. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%