VO2 Refractive Index

Optical constants (n, k) of VO2, covering 0.21 – 2.20 μm wavelength range.

Range 0.210 – 2.200 μm
Data Points 991

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 2.6643
k = 0.4856
589.3 nm (Na-D)
n = 2.7226
k = 0.5327
532 nm
n = 2.7680
k = 0.6673
1550 nm (Telecom)
n = 2.8593
k = 0.2805

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.21001.620921.00817
0.23401.675970.97872
0.25801.669190.99965
0.28201.689501.10937
0.30601.795641.24678
0.33001.973111.34635
0.35402.189821.37293
0.37802.387391.32419
0.40202.548541.23577
0.42602.673401.11697
0.45002.745940.98112
0.47402.770130.86106
0.49802.772610.76970
0.52202.770210.69562
0.54602.762630.62919
0.57002.744290.57017
0.59402.716210.52445
0.61802.683640.49520
0.64202.654000.48238
0.66602.632510.48028
0.69002.619570.48359
0.71402.614000.48876
0.73802.613950.49345
0.76202.617200.49687
0.78602.622520.49928
0.81002.629300.50092
0.83402.637190.50196
0.85802.646010.50249
0.88202.655650.50261
0.90602.666170.50232
0.93002.677590.50139
0.95402.689730.49961
0.97802.702380.49684
1.01202.720720.49113
1.15602.792660.44520
1.30002.836930.38081
1.44402.855910.31988
1.58802.858990.26864
1.73202.852140.22815
1.87602.839890.19833
2.02002.825580.17788
2.16402.811350.16524
2.20002.807970.16312

Sampled data (991 points total). Click "Download Full CSV" for complete data.

Notes

~209 nm-thick VO2 film on SiO2 substrate. 20 °C.

References

I. O. Oguntoye, S. Padmanabha, M. Hinkle, T. Koutsougeras, A. J. Ollanik, M. D. Escarra. Continuously tunable optical modulation using vanadium dioxide Huygens metasurfaces. ACS Appl. Mater. Interfaces 15, 41141–41150 (2023) (Numerical data kindly provided by Isaac Oguntoye)

Related Materials (Main)

Ag Ag3AsS3 (e) Ag3AsS3 (o) AgBr AgCl AgGaS2 (e)

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