Al Refractive Index

Optical constants (n, k) of Al, covering 0.00 – 1.77 μm wavelength range.

Range 0.000 – 1.771 μm
Data Points 139

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 1.2920
k = 7.2800

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.00000.999000.00000
0.00001.001000.00000
0.00001.002000.00000
0.00011.002000.00000
0.00021.002000.00000
0.00071.000000.00006
0.00081.000000.00001
0.00151.000000.00008
0.00310.998000.00101
0.00440.996000.00331
0.00560.993000.00696
0.00690.989000.01110
0.00830.989000.01730
0.00900.988000.01970
0.00940.986000.02260
0.00980.988000.02770
0.01030.992000.02940
0.01060.993000.03030
0.01090.994000.03060
0.01120.995000.03090
0.01150.997000.02990
0.01180.996000.02810
0.01220.992000.02990
0.01250.991000.03960
0.01291.001000.04420
0.01331.009000.04110
0.01381.013000.03660
0.01431.014000.03210
0.01481.016000.03060
0.01531.016000.02500
0.01591.014000.02380
0.01651.018000.02400
0.01691.028000.02380
0.01701.031000.00606
0.01751.015000.00450
0.01851.005000.00433
0.02480.974000.00584
0.06200.673000.02670
0.08000.252000.09970
0.08860.084000.40400
0.11270.061000.94600
0.24800.183002.88000
0.49590.771005.91000
0.72932.082008.34000
0.88561.916007.75000
1.12700.9260010.90000
1.77101.2740017.80000

Sampled data (139 points total). Click "Download Full CSV" for complete data.

References

1) H.-J. Hagemann, W. Gudat, C. Kunz. Optical constants from the far infrared to the x-ray region: Mg, Al, Cu, Ag, Au, Bi, C, and Al2O3. J. Opt. Soc. Am. 65, 742-744 (1975)
2) H.-J. Hagemann, W. Gudat, C. Kunz. DESY report SR-74/7 (1974)

Related Materials (Main)

Ag Ag3AsS3 (e) Ag3AsS3 (o) AgBr AgCl AgGaS2 (e)

Need to measure Al thin film thickness?

Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.

View ProductsContact Us