epsAg: epsAg

In dielectric: Defines some physical constants and dielectric functions commonly used in optics, plasmonics.

Description

permittivity silver

Usage

  epsAg(wavelength, epsilon.inf = 4, lambda.p = 282,
    mu.p = 17000)

Arguments

wavelength	wavelength in nm
epsilon.inf	background dielectric constant
lambda.p	plasma wavelength
mu.p	damping constant

Details

analytical dielectric function of Silver (Drude model)

Value

data.frame

Author(s)

baptiste Auguie

References

Principles of surface-enhanced Raman spectroscopy and related plasmonic effects Eric C. Le Ru and Pablo G. Etchegoin, published by Elsevier, Amsterdam (2009).

See Also

Other user_level permittivity: epsAu

Examples

require(dielectric) ; data(AgPalik)
wvl <- seq(300, 900)
silver <- epsAg(wvl)

matplot(silver$wavelength, cbind(Re(silver$epsilon), Im(silver$epsilon)),
t="l", lty=1, xlab = "wavelength / nm", ylab = "Dielectric function")
matpoints(AgPalik$wavelength, cbind(Re(AgPalik$epsilon), Im(AgPalik$epsilon)), pch=1)

Example output

dielectric documentation built on May 2, 2019, 9:24 a.m.