Improved analytical fit of gold dispersion: Application to the modeling of extinction spectra with a finite-difference time-domain method

Alexandre Vial; Anne-Sophie Grimault; Demetrio Macias; Dominique Barchiesi; Marc Lamy de la Chapelle

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Improved analytical fit of gold dispersion: Application to the modeling of extinction spectra with a finite-difference time-domain method

机译：改进的金分散体的解析拟合：在时域有限差分时域消光光谱建模中的应用

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摘要

We propose an accurate description for the dispersion of gold in the range of 1.24-2.48 eV. We implement this improved model in an FDTD algorithm and evaluate its efficiency by comparison with an analytical method. Extinction spectra of gold nanoparticle arrays are then calculated.

机译：我们提出了关于金的色散在1.24-2.48 eV范围内的准确描述。我们在FDTD算法中实现了这种改进的模型，并通过与分析方法进行比较来评估其效率。然后计算金纳米颗粒阵列的消光光谱。

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《Physical review. B, Condensed Matter And Materals Physics》 |2005年第8期|p.085416.1-085416.7|共7页
作者
Alexandre Vial; Anne-Sophie Grimault; Demetrio Macias; Dominique Barchiesi; Marc Lamy de la Chapelle;
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作者单位

Laboratoire de Nanotechnologie et d'Instrumentation Optique -CNRS FRE 2671, Universite de Technologie de Troyes, 12 rue Marie Curie, BP-2060 F-10010 Troyes Cedex, France;

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正文语种 eng
中图分类固体物理学;
关键词
electromagnetic wave propagation; radiowave propagation; wave propagation, transmission and absorption; permittivity (dielectric function); optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmissio;

机译：电磁波传播;无线电波传播;波传播;传输和吸收;介电常数（介电函数）;光学常数（包括折射率;复介电常数;吸收;反射和透射率）;

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Improved analytical fit of gold dispersion: Application to the modeling of extinction spectra with a finite-difference time-domain method

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