Au Refractive Index

Optical constants (n, k) of Au, covering 0.00 – 1.24 μm wavelength range.

Range 0.000 – 1.240 μm
Data Points 144

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 0.4870
k = 3.3100
532 nm
n = 0.8780
k = 2.0100

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.00001.000000.00000
0.00001.000000.00000
0.00011.000000.00000
0.00011.000000.00000
0.00040.999000.00015
0.00120.998000.00096
0.00250.995000.00471
0.00440.989000.00976
0.00560.986000.01180
0.00690.979000.01070
0.00830.963000.01010
0.00950.944000.01330
0.01080.920000.02240
0.01240.889000.04540
0.01360.868000.07180
0.01420.865000.08440
0.01460.864000.09560
0.01490.861000.09430
0.01550.853000.10900
0.01680.842000.13100
0.01820.827000.17100
0.02000.833000.21100
0.02210.830000.23000
0.02480.795000.27200
0.02640.771000.31500
0.02820.770000.37100
0.03020.760000.41500
0.03260.749000.48400
0.03540.737000.57300
0.03870.757000.74700
0.04130.868000.80400
0.04430.892000.81400
0.04960.905001.00000
0.05391.080001.24000
0.05771.406001.27000
0.06531.612000.95000
0.07751.505000.89800
0.09541.592000.89900
0.11271.556000.94500
0.13051.585001.07000
0.15501.727001.22000
0.19071.665001.19000
0.24801.638001.65000
0.29521.927001.89000
0.34442.024001.81000
0.39361.960001.89000
0.47691.541001.71000
0.61990.487003.31000
1.24000.375008.36000

Sampled data (144 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)

Need to measure Au thin film thickness?

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