CaF2 Refractive Index

Optical constants (n, k) of CaF2, covering 0.14 – 2.19 μm wavelength range.

Range 0.138 – 2.195 μm
Data Points 95

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 1.4328
k = 0.0000
589.3 nm (Na-D)
n = 1.4336
k = 0.0000
532 nm
n = 1.4354
k = 0.0000
1550 nm (Telecom)
n = 1.4260
k = 0.0000

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.13801.637040.00000
0.18181.514540.00000
0.22551.478130.00000
0.26931.461180.00000
0.31301.451700.00000
0.35681.445790.00000
0.40061.441830.00000
0.44431.439030.00000
0.48811.436970.00000
0.53181.435400.00000
0.57561.434170.00000
0.61941.433180.00000
0.66311.432370.00000
0.70691.431700.00000
0.75061.431120.00000
0.79441.430620.00000
0.83821.430190.00000
0.88191.429800.00000
0.92571.429450.00000
0.96941.429130.00000
1.01321.428830.00000
1.05701.428560.00000
1.10071.428300.00000
1.14451.428050.00000
1.18821.427820.00000
1.23201.427590.00000
1.27581.427370.00000
1.31951.427150.00000
1.36331.426940.00000
1.40701.426730.00000
1.45081.426530.00000
1.49461.426320.00000
1.53831.426120.00000
1.58211.425910.00000
1.62581.425710.00000
1.66961.425500.00000
1.71341.425300.00000
1.75711.425090.00000
1.80091.424880.00000
1.84461.424670.00000
1.88841.424450.00000
1.93221.424230.00000
1.97591.424020.00000
2.01971.423790.00000
2.06341.423570.00000
2.10721.423340.00000
2.15101.423110.00000
2.19471.422880.00000

Sampled data (95 points total). Click "Download Full CSV" for complete data.

Notes

20 °C, Nitrogen atmosphere

References

M. Daimon and A. Masumura. High-accuracy measurements of the refractive index and its temperature coefficient of calcium fluoride in a wide wavelength range from 138 to 2326 nm. Appl. Opt. 41, 5275-5281 (2002)

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