Resonant terahertz reflection of periodic arrays of subwavelength metallic rectangles

被引：35

作者：

Lu, Xinchao ^{[1
]}

Han, Jiaguang ^{[1
,2
]}

Zhang, Weili ^{[1
]}

机构：

[1] Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA

[2] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 12期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.2902292

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present reflection properties of terahertz pulses in periodic arrays of metallic rectangles of subwavelength dimensions. Resonant reflection is characterized by terahertz time-domain spectroscopy and is attributed to the contributions from the dipole localized surface plasmons of isolated metallic rectangles, their interactions between the rectangles, and the nonresonant direct reflection. A number of factors, including the polarization of the terahertz electric field, the shape of the metal structures, the dielectric function of the substrate, and the lattice constant of the arrays are found to influence terahertz reflection properties. The measured resonant reflectance is well fit by numerical simulations. (C) 2008 American Institute of Physics.

引用

页数：3

共 27 条

[1] Optical properties of coupled metallic nanorods for field-enhanced spectroscopy [J].

Aizpurua, J ;

Bryant, GW ;

Richter, LJ ;

de Abajo, FJG ;

Kelley, BK ;

Mallouk, T .

PHYSICAL REVIEW B, 2005, 71 (23)

[2] Effect of dielectric properties of metals on terahertz transmission subwavelength hole arrays [J].

Azad, Abul K. ;

Zhao, Yuguang ;

Zhang, Weili ;

He, Mingxia .

OPTICS LETTERS, 2006, 31 (17) :2637-2639

[3] Nanoparticles with Raman spectroscopic fingerprints for DNA and RNA detection [J].

Cao, YWC ;

Jin, RC ;

Mirkin, CA .

SCIENCE, 2002, 297 (5586) :1536-1540

[4] Optical antennas: Resonators for local field enhancement [J].

Crozier, KB ;

Sundaramurthy, A ;

Kino, GS ;

Quate, CF .

JOURNAL OF APPLIED PHYSICS, 2003, 94 (07) :4632-4642

[5] Extraordinary optical transmission through sub-wavelength hole arrays [J].

Ebbesen, TW ;

Lezec, HJ ;

Ghaemi, HF ;

Thio, T ;

Wolff, PA .

NATURE, 1998, 391 (6668) :667-669

[6] Enhanced infrared transmission through subwavelength coaxial metallic arrays [J].

Fan, WJ ;

Zhang, S ;

Minhas, B ;

Malloy, KJ ;

Brueck, SRJ .

PHYSICAL REVIEW LETTERS, 2005, 94 (03)

[7] EFFECTS OF CONFIGURATION INTERACTION ON INTENSITIES AND PHASE SHIFTS [J].

FANO, U .

PHYSICAL REVIEW, 1961, 124 (06) :1866-&

[8] Controlling the optical response of regular arrays of gold particles for surface-enhanced Raman scattering -: art. no. 075419 [J].

Félidj, N ;

Aubard, J ;

Lévi, G ;

Krenn, JR ;

Salerno, M ;

Schider, G ;

Lamprecht, B ;

Leitner, A ;

Aussenegg, FR .

PHYSICAL REVIEW B, 2002, 65 (07) :0754191-0754199

[9] Fano-type interpretation of red shifts and red tails in hole array transmission spectra [J].

Genet, C ;

van Exter, MP ;

Woerdman, JP .

OPTICS COMMUNICATIONS, 2003, 225 (4-6) :331-336

[10] Basis and lattice polarization mechanisms for light transmission through nanohole arrays in a metal film [J].

Gordon, R ;

Hughes, M ;

Leathem, B ;

Kavanagh, KL ;

Brolo, AG .

NANO LETTERS, 2005, 5 (07) :1243-1246

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