germanium Refractive Index

Optical constants (n, k) of germanium, covering 0.21 – 0.83 μm wavelength range.

Range 0.207 – 0.827 μm
Data Points 46

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 5.5880
k = 0.9330
589.3 nm (Na-D)
n = 5.7480
k = 1.6340
532 nm
n = 5.0620
k = 2.3180

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.20661.023002.77400
0.21011.108002.83100
0.21381.209002.87300
0.21751.310002.86600
0.22141.360002.84600
0.22541.380002.84200
0.22961.383002.85400
0.23391.371002.89700
0.23841.364002.97300
0.24311.370003.07300
0.24801.394003.19700
0.25301.435003.34200
0.25831.498003.50900
0.26381.586003.70900
0.26951.720003.96000
0.27551.953004.29700
0.28182.516004.66900
0.28833.338004.50700
0.29523.745004.00900
0.30243.869003.61400
0.31003.905003.33600
0.31793.920003.13700
0.32633.936002.98600
0.33513.958002.86300
0.34443.985002.75900
0.35424.020002.66700
0.36474.070002.57900
0.37574.128002.46900
0.38754.157002.34000
0.39994.141002.21500
0.41334.082002.14500
0.42754.037002.14000
0.44284.035002.18100
0.45924.082002.24000
0.47694.180002.30900
0.49594.340002.38400
0.51664.610002.45500
0.53915.062002.31800
0.56365.283002.04900
0.59045.748001.63400
0.61995.588000.93300
0.65255.294000.63800
0.68885.067000.50000
0.72934.897000.40100
0.77494.763000.34500
0.82664.653000.29800

Sampled data (46 points total). Click "Download Full CSV" for complete data.

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