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Optical constants of Gold (Au)

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Optical constants of Gold (Au)
Option:
Wavelength: µm  (0.000125~9.919)
Refractive index (real part of complex index of refraction)

Refractive index - Wikipedia

n = 0.9999719

Chromatic dispersion

Dispersion (optics) - Wikipedia

dn/dλ = -0.540 µm-1

[ Figure: Refractive index of Gold (Au) ]
Extinction coefficient (imaginary part of complex index of refraction)

Dispersion and absorption - Wikipedia

k = 2.3900e-6

Absorption coefficient

Attenuation coefficient - Wikipedia

α = 2.4027e+3 cm-1

[ Figure: Extinction coefficient of Gold (Au) ]
Tabulated data (n, k)

csv (comma separated)   txt (tab separated)

References

- Handbook of Optical Constants of Solids, Edward D. Palik. Academic Press, Boston, 1985 [link]

Optical transmission calculator
Thickness : 
Include reflection (normal incidence, two surfaces)
Transmittance (at 0.000125 µm)

Transmittance - Wikipedia

T = ...

Reflection calculator
Angle of incidence (0~90°): 
Direction: in out
Reflectance (at 0.000125 µm)

Fresnel equations - Wikipedia

RS = ... (S-polarized)
RP = ... (P-polarized)
R = ... (non-polarized, (RS+RP)/2 )

Reflection phase

ɸ = ...°
ɸS = ...°
ɸP = ...°

Brewster's angle

Brewster's angle - Wikipedia

θB = ...°

Critical angle

Total internal reflection - Wikipedia

θC = ...°

More info ( wiki )

Gold, Au

External links

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