[1] RAETHER H.Surface plasmon on smooth and rough surfaces and on gratings[M].Springer-Verlag, 1988.
[2] BARNES W L, DEREUX A, EBBESEN T.Surface plasmon subwavelength optics [J].Nature, 2003,424(8):824-830.
[3] EBBESEN T, LEZEC H J, GHAEMI H F, et al..Extraordinary optical transmission through sub-wavelength hole arrays [J].Nature, 1998,391(2):667-669.
[4] KREEN J R, LAMPRECHT B, DITLBACHER H, et al..Non-diffraction-limited light transport by gold nanowires [J].Europhys.Lett, 2002,60(5):663-669.
[5] MAIE S A, KIK P G, ATWATER H A, et al..Local detection of electromagnetic energy below the diffraction limit in metal nanoparticle plasmon waveguides [J].Nature Materials, 2003,2(4):229-232.
[6] WANG B, WANG G P.Surface plasmon polariton propagation in nanoscale metal gap waveguides[J].Opt Lett.,2004,29(17):1992-1994.
[7] WANG C T, DU C L, LV Y G, et al..Surface electromagnetic wave excitation and diffraction by subwavelength slit with periodically patterned metallic grooves[J].Opt.Express, 2006,14(12):5671-5681.
[8] WANG B, WAGN G P.Plasmon bragg reflectors and nanocavities on flat metallic surfaces[J].Appl Phy Lett, 2005,87(1):013107-1-013107-3.
[9] REUVEN G, ALEXANDRE G B.Increased cut-off wavelength for a subwavelength hole in a real metal [J].Opt.Express, 2005,13(6):1933-1938.
[10] OKONIEWSKI M, MROZOWSKI M, STUCHLY M A.Simple treatment of multi-term dispersion in FDTD [J].IEEE Microwave and Guided Wave Letters, 1997,7(5):121-123.
[11] YANG G J, KONG F M, LI K, et al..Several methods for dealing with metal in FDTD[J].Acta Physica Sinica, 2007,56(7):4252-4255.(in Chinese)
[12] GARCIA-VIDAL F J, MARTIN-MORENO L, LEZEC H J, et al..Focusing light with a single subwavelength aperture flanked by surface corrugations[J].Appl.Phys.Lett, 2003,83(22):4500-4502.
[13] SEYOON K, LIM Y J, KIM H, et al..Optical beam focusing by a single subwavelength metal slit surrounded by chirped dielectric surface gratings[J].Appl.Phys.Lett, 2008,92(1):013103-1-013103-3.