LaF3 Refractive Index

Optical constants (n, k) of LaF3, covering 0.40 – 2.19 μm wavelength range.

Range 0.400 – 2.191 μm
Data Points 51

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 1.5103
k = 0.0004
589.3 nm (Na-D)
n = 1.5130
k = 0.0004
532 nm
n = 1.5179
k = 0.0004
1550 nm (Telecom)
n = 1.4951
k = 0.0004

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.40001.537860.00039
0.41381.534640.00039
0.42821.531660.00039
0.44301.528900.00039
0.45831.526350.00039
0.47421.523980.00039
0.49061.521790.00039
0.50751.519760.00039
0.52511.517870.00039
0.54331.516130.00039
0.56201.514520.00039
0.58151.513020.00039
0.60161.511630.00039
0.62241.510350.00039
0.64401.509160.00039
0.66621.508060.00039
0.68931.507040.00039
0.71311.506090.00039
0.73781.505210.00039
0.76331.504400.00039
0.78971.503640.00039
0.81711.502940.00039
0.84531.502290.00039
0.87461.501690.00039
0.90481.501120.00039
0.93611.500600.00039
0.96851.500100.00039
1.00201.499640.00039
1.03671.499210.00039
1.07261.498800.00039
1.10971.498410.00039
1.14811.498040.00039
1.18781.497680.00039
1.22891.497340.00039
1.27141.497010.00039
1.31541.496690.00039
1.36091.496370.00039
1.40801.496060.00039
1.45671.495750.00039
1.50711.495440.00039
1.55921.495130.00039
1.61321.494810.00039
1.66901.494480.00039
1.72671.494150.00039
1.78651.493810.00039
1.84831.493450.00039
1.91221.493080.00039
1.97841.492690.00039
2.04681.492280.00039
2.11761.491850.00039
2.19091.491390.00039

Sampled data (51 points total). Click "Download Full CSV" for complete data.

Notes

1.368 µm LaF3 film deposited on 1 mm thick ZnSe substratee by e-beam evaporation at 120 °C substrate temperature.

References

T. Amotchkina, M. Trubetskov, D. Hahner, V. Pervak. Characterization of e-beam evaporated Ge, YbF3, ZnS, and LaF3 thin films for laser-oriented coatings. Appl. Opt. 59, A40-A47 (2020) (Data kindly provided by Tatiana Amotchkina [data] [description])

Related Materials (Main)

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

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