copper Refractive Index

Optical constants (n, k) of copper, covering 0.21 – 2.16 μm wavelength range.

Range 0.207 – 2.157 μm
Data Points 115

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 0.3190
k = 3.3821
589.3 nm (Na-D)
n = 0.4489
k = 2.9983
532 nm
n = 0.8044
k = 2.4911
1550 nm (Telecom)
n = 0.7317
k = 10.4120

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.20661.303101.68260
0.21531.343501.71600
0.22441.391601.73980
0.23381.441401.75050
0.24361.486101.74740
0.25391.519401.73210
0.26451.535501.70830
0.27561.529701.68180
0.28721.498701.66070
0.29931.442501.65570
0.31181.366801.67960
0.32491.286201.74220
0.33861.222001.84270
0.35281.191801.96580
0.36761.200102.08810
0.38311.237302.18910
0.39921.285602.25750
0.41591.325302.29160
0.43341.338902.29840
0.45161.313202.29130
0.47061.241302.28800
0.49041.124002.30880
0.51090.971852.37250
0.53240.804382.49110
0.55480.643922.66390
0.57810.506632.87930
0.60240.398683.12270
0.62770.319023.38210
0.65400.263473.65000
0.68150.227323.92210
0.71010.206454.19670
0.74000.197534.47320
0.77110.198064.75160
0.80340.206105.03250
0.83720.220245.31640
0.87240.239375.60400
0.90900.262625.89600
0.94720.289316.19310
0.98700.318856.49590
1.02840.350766.80520
1.07160.384617.12150
1.11670.420047.44560
1.16360.456737.77820
1.21240.494408.12020
1.26340.532848.47220
1.31640.571878.83500
1.37170.611349.20950
1.42940.651169.59660
1.48940.691279.99700
1.55200.7316510.41200
1.61720.7723210.84200
1.68510.8133211.28800
1.75590.8547411.75100
1.82970.8966712.23200
1.90650.9392612.73200
1.98660.9826613.25200
2.07011.0271013.79300
2.15701.0726014.35600

Sampled data (115 points total). Click "Download Full CSV" for complete data.

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