silicon Refractive Index

Optical constants (n, k) of silicon, covering 0.26 – 0.83 μm wavelength range.

Range 0.264 – 0.827 μm
Data Points 129

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 3.8723
k = 0.0008
589.3 nm (Na-D)
n = 3.9600
k = 0.0035
532 nm
n = 4.1310
k = 0.0100

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.26381.825004.17500
0.26811.954004.43900
0.27252.188004.73500
0.27712.574005.03100
0.28183.037005.23300
0.28673.668005.34700
0.29174.454005.14200
0.29704.885004.54800
0.30244.986004.06700
0.30805.024003.74400
0.31395.039003.49200
0.32005.051003.34700
0.32635.091003.21300
0.33285.159003.11200
0.33975.247003.03200
0.34685.363003.00800
0.35425.601003.05600
0.36206.251003.03700
0.37016.989002.16300
0.37866.735001.06800
0.38756.191000.58700
0.39675.764000.38500
0.40655.450000.25900
0.41685.197000.18700
0.42754.994000.14200
0.43894.825000.10800
0.45094.677000.08600
0.46354.549000.06260
0.47694.435000.04270
0.49104.337000.03290
0.50614.252000.02280
0.52204.177000.01220
0.53914.109000.00800
0.55724.049000.00640
0.57673.995000.00450
0.59753.944100.00260
0.61993.900000.00170
0.64413.858900.00130
0.67023.820500.00170
0.69853.785100.00260
0.72933.753000.00290
0.76303.722800.00440
0.79993.696000.00470
0.82663.678000.00460

Sampled data (129 points total). Click "Download Full CSV" for complete data.

Related Materials (Crystals)

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