A way to determine the permittivity of metallized surfaces at terahertz frequencies

被引：24

作者：

Gerasimov, V. V. ^{[1
,2
]}

Knyazev, B. A. ^{[1
,2
]}

Nikitin, A. K. ^{[2
,3
]}

Zhizhin, G. N. ^{[3
]}

机构：

[1] SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[2] Novosibirsk State Univ, Novosibirsk 630090, Russia

[3] RAS, Sci & Technol Ctr Unique Instrumentat, Moscow 117342, Russia

来源：

APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 17期

关键词：

FREE-ELECTRON LASER; ELECTROMAGNETIC-WAVES; PROPAGATION; PLASMONS; METALS; RANGE; AU; AG;

D O I：

10.1063/1.3584130

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A method for determining the dielectric permittivity of metal surfaces at terahertz (THz) frequencies has been suggested and tested. The method implies excitation of surface plasmons (SPs) on the sample surface and measurements of the SPs propagation length and field penetration depth in air. The technique was tested on evaporated gold with Novosibirsk free-electron laser at the wavelength of 130 mu m. The method suggested paves the way for refractometry of metallized surfaces at THz frequencies. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3584130]

引用

页数：3

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