MgF2 Refractive Index

Name: MgF2 Refractive Index (n, k)
Creator: Acuitik
License: https://creativecommons.org/licenses/by/4.0/
Keywords: MgF2, refractive index, n, k, optical constants, thin film

Optical constants (n, k) of MgF2, covering 0.03 – 2.20 μm wavelength range.

Range 0.028 – 2.200 μm

Data Points 1904

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)

n = 1.3820

k = 0.0000

589.3 nm (Na-D)

n = 1.3828

k = 0.0000

532 nm

n = 1.3842

k = 0.0000

1550 nm (Telecom)

n = 1.3746

k = 0.0000

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)	n	k
0.0275	0.87703	0.08230
0.0306	0.87026	0.11746
0.0342	0.88623	0.15395
0.0381	0.85639	0.15450
0.0424	0.84646	0.20579
0.0472	0.76229	0.23655
0.0527	0.67385	0.52427
0.0587	0.94512	0.75023
0.0654	1.25146	0.72643
0.0728	1.36434	0.61897
0.0812	1.43349	0.52654
0.0904	1.48987	0.48864
0.1008	1.36842	0.64782
0.1123	1.89600	0.03456
0.1251	1.62754	0.00401
0.1394	1.53866	0.00038
0.1554	1.49093	0.00003
0.1731	1.46102	0.00000
0.1929	1.44063	0.00000
0.2150	1.42602	0.00000
0.2396	1.41524	0.00000
0.2669	1.40709	0.00000
0.2974	1.40084	0.00000
0.3314	1.39599	0.00000
0.3693	1.39218	0.00000
0.4115	1.38917	0.00000
0.4586	1.38677	0.00000
0.5110	1.38483	0.00000
0.5694	1.38326	0.00000
0.6345	1.38196	0.00000
0.7070	1.38087	0.00000
0.7878	1.37994	0.00000
0.8778	1.37910	0.00000
0.9781	1.37833	0.00000
1.0899	1.37758	0.00000
1.2145	1.37681	0.00000
1.3533	1.37596	0.00000
1.5080	1.37494	0.00000
1.6804	1.37331	0.00034
1.8724	1.37333	0.00213
2.0864	1.37318	0.00047
2.1999	1.37206	0.00009

Sampled data (1904 points total). Click "Download Full CSV" for complete data.

Notes

Film MgF₂; Deposited by e-beam evaporation on c-Si; 134.2 nm thick film with an polycrystalline structure; Heterogenous data processing combining ellipsometric and spectrophotometric measurements; Room temperature.

References

D. Franta, D. Nečas, A. Giglia, P. Franta, I. Ohlídal. Universal dispersion model for characterization of optical thin films over wide spectral range: Application to magnesium fluoride. Appl. Surf. Sci. 421, 424–429 (2017) (Numerical data kindly provided by Daniel Franta)

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MgF2 Refractive Index

Optical Constants at Key Wavelengths

n, k Dispersion Curves

Data Table (Sampled)

Notes

References

Related Materials (Main)

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