文档介绍：4 材料导报B:研究篇 2013年4月(下)第27卷第4期 3结论(1)采用溶剂热合成法,制备了仙人球状Ag/Ti02颗粒, 经KH570改性后,将其装载于PMMA内,形成Ag/Ti02@ PMMA复合核壳颗粒,并利用PMMA的自组装性质将复合颗粒均匀排列成膜。(2)光学性能测试表明,该材料在可见光波段波长为530 nm附近出现了单一透射峰,峰高约为6%,并且在此波长下具有纳米平板聚焦现象,位移为230 nm处光强达到最大值, 聚焦强度为4%。参考文献 Walser plex medi眦s Ⅱ:Beyond 1inearisotmpic dielectrics[M].washington:International Society for0ptical Engineering,2001:1 2 Vladimir M metamaterials Photon,2007,1(1):41 3 Costas M Soukoulis,et refractive index atopti— calwavelengths[J].Science,2007,315(5808):47 4 Seddon N,Bearpark T.()bservation oftheinverse doppler effect[J].Science,2003,302(5650):1 537 5 Houck AA,Bmck JB,Chuang L Experimental observa— tionsof aleft-handed material that obeys Snell’slaw[J]. Phvs Rev Lett,2003,90(13):137401 6 shelby RA,Sfnjth DR,Sclmltz verification of a negative index ofrefraction[J].Science,2001,292 (5514):77 Veselago V Theelectrodyn锄ics ofsubstances with multaneously negative values ofpemittivity andpemeabili— ty[J].Soviet Phys USPEK,1968,10(4):509 8 Pendry J B Negtive refraction makes aperfectlens[J].Phys Rev Lett,2000,85(18):3966 9 Gong Boyi,Zhao Xiaopeng. Numerical demonstration of a three-dimensional negative-index met锄aterial atoptical fre— quencies[J].opt Express,2011,19(1):289 10 SilviaVignolini,Nataliya A Yufa,Pedm SCunha,et 3D optical metamaterial made byself-assembly[J].Adv Ma— ter,2012,24