dielectric (version 0.2.3)

epsAg: epsAg

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

Value

data.frame

Details

analytical dielectric function of Silver (Drude model)

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)