WSe2 (e) Refractive Index

Optical constants (n, k) of WSe2 (e), covering 0.30 – 1.69 μm wavelength range.

Range 0.300 – 1.690 μm
Data Points 977

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 2.8599
k = 0.0000
589.3 nm (Na-D)
n = 2.8989
k = 0.0000
532 nm
n = 2.9651
k = 0.0000
1550 nm (Telecom)
n = 2.6560
k = 0.0000

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.30003.837000.00000
0.32403.635540.00000
0.34803.482750.00000
0.37203.363400.00000
0.39603.268020.00000
0.42003.190370.00000
0.44403.126180.00000
0.46803.072430.00000
0.49203.026920.00000
0.51602.988020.00000
0.54002.954470.00000
0.56402.925330.00000
0.58802.899850.00000
0.61202.877420.00000
0.63602.857580.00000
0.66002.839940.00000
0.68402.824180.00000
0.70802.810040.00000
0.73202.797300.00000
0.75602.785790.00000
0.78002.775340.00000
0.80402.765840.00000
0.82802.757170.00000
0.85202.749230.00000
0.87602.741940.00000
0.90002.735250.00000
0.92402.729070.00000
0.94802.723360.00000
0.97202.718080.00000
0.99602.713180.00000
1.05002.703370.00000
1.11002.694130.00000
1.17002.686280.00000
1.23002.679560.00000
1.29002.673760.00000
1.35002.668720.00000
1.41002.664320.00000
1.47002.660450.00000
1.53002.657030.00000
1.59002.653980.00000
1.65002.651270.00000
1.69002.649620.00000

Sampled data (977 points total). Click "Download Full CSV" for complete data.

Notes

Multilayer flakes. Out-of-plane (extraordinary ray, e). Room temperature.

References

B. Munkhbat, P. Wrobel, T. J. Antosiewicz, T. O. Shegai. Optical constants of several multilayer transition metal dichalcogenides spectroscopic ellipsometry in the 300–1700 nm range: High index, anisotropy, and hyperbolicity. ACS Photonics 9, 2398–2407 (2022) (Numerical data kindly provided by Tomasz Antosiewicz)

Related Materials (Main)

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

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