利用格林函数法,研究了衰逝波在二维负折射材料超透镜中的延迟现象,讨论了材料的电导率和光源频谱对衰逝波延迟时间的影响,并指出衰逝波的延迟能改善其时间相干性;为设计新型透镜,提高电磁场的时间相干性提供了一种新的思路.
参考文献
| [1] | Veselago V C .The electrodynamics of substances with simultaneously negative values of ε and μSov[J].Physics-Uspekhi,1968,10:509. |
| [2] | Pendry JB. .Negative refraction makes a perfect lens[J].Physical review letters,2000(18):3966-3969. |
| [3] | Pendry J B .Comment on"Left-Handed Materials Do Not Make a Perfect Lens"[J].Physical Review Letters,2003,91:099701. |
| [4] | Shelby R A;Smith D R;Schultz S .Experimental verification of a negative index of refraction[J].Science,2001,77:292. |
| [5] | Cubukcu E;Aydin K;Ozbay E et al.Negative Refraction by Photonic Crystals[J].NATURE,2003,423:604. |
| [6] | Gomez-Santos G. .Universal features of the time evolution of evanescent modes in a left-handed perfect lens - art. no. 077401[J].Physical review letters,2003(7):7401-0. |
| [7] | Rao XS.;Ong CK. .Amplification of evanescent waves in a lossy left-handed material slab - art. no. 113103[J].Physical review, B. Condensed matter and materials physics,2003(11):3103-0. |
| [8] | Zhang Y;Grzegorczyk T M;Kong J A .Propagation of Electromagnetic Waves in a Slab With Negative Permittivity and Negative Permeability[J].Progress in Electromagnetics Research,2002,35:271. |
| [9] | Zhou L;Chan CT .Vortex-like surface wave and its role in the transient phenomena of meta-material focusing[J].Applied physics letters,2005(10):1104-1-1104-3-0. |
| [10] | Leavens C R;Aers G C .Dwell time and phase times for transmission and reflection[J].Physical Review B,1989,39:1202. |
| [11] | Martin Th;Landauer R .Time delay of evanescent electromagnetic waves and the analogy to particle tunneling[J].Physical Review A,1992,45:2611. |
| [12] | Xunya Jiang;Wenda Han;Peijun Yao;Wei Li .Temporal-coherence gain of superlens image with quasimonochromatic source[J].Applied Physics Letters,2006(22):221102-1-221102-3-0. |
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