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Optical constants of Aluminium (Al)

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Optical constants of Aluminium (Al)
Wavelength: µm  (0.00012399~200)
Refractive index (real part of complex index of refraction)

Refractive index - Wikipedia

n = 423.96

Chromatic dispersion

Dispersion (optics) - Wikipedia

dn/dλ = 1.138 µm-1

[ Figure: Refractive index of Aluminium (Al) ]
Extinction coefficient (imaginary part of complex index of refraction)

Dispersion and absorption - Wikipedia

k = 4.8370e+2

Absorption coefficient

Attenuation coefficient - Wikipedia

α = 3.0392e+5 cm-1

[ Figure: Extinction coefficient of Aluminium (Al) ]
Tabulated data (n, k)

csv (comma separated)   txt (tab separated)

References

- Aleksandar D. Rakić. Algorithm for the determination of intrinsic optical constants of metal films: application to aluminum, Appl. Opt. 34, 4755-4767 (1995) doi:10.1364/AO.34.004755

Optical transmission calculator
Thickness : 
Include reflection (normal incidence, two surfaces)
Transmittance (at 200 µm)

Transmittance - Wikipedia

T = ...

Reflection calculator
Angle of incidence (0~90°): 
Direction: in out
Reflectance (at 200 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 )

Aluminium, Al

Other name

Aluminum

External links

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