gold Refractive Index

Optical constants (n, k) of gold, covering 0.25 – 2.17 μm wavelength range.

Range 0.248 – 2.166 μm
Data Points 135

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 0.1949
k = 3.2645
589.3 nm (Na-D)
n = 0.2544
k = 2.8493
532 nm
n = 0.5573
k = 2.1222
1550 nm (Telecom)
n = 0.5788
k = 9.8147

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.24801.494301.95750
0.26031.561101.96040
0.27321.630601.94940
0.28681.692101.91880
0.30111.732201.87000
0.31611.739101.81280
0.33181.707101.76480
0.34831.645201.74790
0.36561.581001.77140
0.38381.541901.81520
0.40281.525501.84130
0.42291.497101.82680
0.44391.412601.78290
0.46601.242701.75090
0.48910.991821.79160
0.51350.715901.95300
0.53900.490852.21880
0.56580.342422.53050
0.59390.254372.84930
0.62350.205333.16210
0.65450.180303.46710
0.68700.170163.76690
0.72120.169664.06440
0.75700.175774.36250
0.79470.186754.66350
0.83420.201514.96950
0.87570.219385.28200
0.91920.239895.60240
0.96490.262715.93190
1.01290.287616.27180
1.06320.314426.62310
1.11610.343026.98690
1.17160.373347.36440
1.22990.405357.75660
1.29100.439098.16460
1.35520.474598.58960
1.42260.511989.03270
1.49330.551389.49510
1.56760.592979.97800
1.64550.6369910.48300
1.72730.6836811.01000
1.81320.7333611.56300
1.90340.7863812.14000
1.99800.8431312.74500
2.09740.9040413.37900
2.16630.9472013.81800

Sampled data (135 points total). Click "Download Full CSV" for complete data.

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