GeO2 Refractive Index

Optical constants (n, k) of GeO2, covering 0.19 – 2.17 μm wavelength range.

Range 0.188 – 2.175 μm
Data Points 604

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 1.5800
k = 0.0000
589.3 nm (Na-D)
n = 1.5830
k = 0.0000
532 nm
n = 1.5900
k = 0.0000
1550 nm (Telecom)
n = 1.5560
k = 0.0000

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.18792.070000.07627
0.19222.025000.06408
0.19681.986000.05412
0.20161.950000.04588
0.20661.918000.03899
0.21191.889000.03317
0.21751.862000.02823
0.22341.838000.02400
0.22961.816000.02036
0.23621.795000.01721
0.24311.776000.01447
0.25051.759000.01208
0.25831.743000.01000
0.26661.728000.00818
0.27551.713000.00659
0.28501.700000.00521
0.29521.688000.00402
0.30611.677000.00300
0.31791.666000.00214
0.33061.656000.00142
0.34441.647000.00085
0.35941.638000.00043
0.37571.630000.00015
0.39361.622000.00001
0.41331.615000.00000
0.43501.609000.00000
0.45921.603000.00000
0.48621.597000.00000
0.51661.592000.00000
0.55101.588000.00000
0.59041.583000.00000
0.63581.579000.00000
0.68881.576000.00000
0.75141.572000.00000
0.82661.569000.00000
0.91841.566000.00000
1.03301.563000.00000
1.18101.561000.00000
1.37801.558000.00000
1.65301.554000.00000
2.06601.549000.00000
2.17501.548000.00000

Sampled data (604 points total). Click "Download Full CSV" for complete data.

Notes

300 K

References

T. N. Nunley, N. S. Fernando, N. Samarasingha, J. M. Moya, C. M. Nelson, A. A. Medina, S. Zollner. Optical constants of germanium and thermally grown germanium dioxide from 0.5 to 6.6 eV via a multi-sample ellipsometry investigation. J. Vac. Sci. Technol. B 34, 061205 (2016) (See supplemental materials)

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