diamond Refractive Index

Optical constants (n, k) of diamond, covering 0.04 – 2.07 μm wavelength range.

Range 0.035 – 2.066 μm
Data Points 173

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 2.4114
k = 0.0029
532 nm
n = 2.4271
k = 0.0029
1550 nm (Telecom)
n = 2.3878
k = 0.0029

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.03540.583210.24213
0.03630.560660.27005
0.03710.542450.30242
0.03800.517430.34059
0.03900.501670.37847
0.04000.488550.42307
0.04110.483590.47368
0.04220.486430.52652
0.04340.488390.57797
0.04460.493510.63208
0.04590.509140.68070
0.04730.524790.72677
0.04880.541490.76874
0.05040.565160.80538
0.05210.582880.83414
0.05390.586550.84485
0.05580.537120.85764
0.05790.458121.02289
0.06020.471431.13712
0.06260.497731.24070
0.06530.550301.35344
0.06810.619101.46698
0.07130.697571.57628
0.07470.769501.69130
0.07850.865251.80933
0.08270.940891.91995
0.08731.020982.11065
0.09251.101952.46575
0.09841.681473.37249
0.10513.056732.96984
0.11273.491001.91906
0.12163.453721.34403
0.13193.291821.01807
0.14423.226110.82463
0.15903.282160.66526
0.17713.283860.08840
0.20002.862920.01222
0.22962.690740.00290
0.26952.581760.00290
0.32632.505810.00290
0.41332.455050.00290
0.56362.420860.00290
0.88562.400040.00290
2.06642.383240.00290

Sampled data (173 points total). Click "Download Full CSV" for complete data.

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