ThF4 Refractive Index

Optical constants (n, k) of ThF4, covering 0.26 – 0.76 μm wavelength range.

Range 0.260 – 0.760 μm
Data Points 101

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 1.5106
k = 0.0000
589.3 nm (Na-D)
n = 1.5123
k = 0.0000
532 nm
n = 1.5155
k = 0.0000

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.26001.573910.00000
0.27001.567730.00000
0.28001.562320.00000
0.29001.557550.00000
0.30001.553320.00000
0.31001.549540.00000
0.32001.546170.00000
0.33001.543130.00000
0.34001.540390.00000
0.35001.537900.00000
0.36001.535640.00000
0.37001.533570.00000
0.38001.531690.00000
0.39001.529950.00000
0.40001.528360.00000
0.41001.526890.00000
0.42001.525530.00000
0.43001.524270.00000
0.44001.523110.00000
0.45001.522020.00000
0.46001.521010.00000
0.47001.520060.00000
0.48001.519180.00000
0.49001.518360.00000
0.50001.517580.00000
0.51001.516850.00000
0.52001.516170.00000
0.53001.515530.00000
0.54001.514920.00000
0.55001.514350.00000
0.56001.513810.00000
0.57001.513290.00000
0.58001.512810.00000
0.59001.512350.00000
0.60001.511910.00000
0.61001.511500.00000
0.62001.511110.00000
0.63001.510730.00000
0.64001.510380.00000
0.65001.510040.00000
0.66001.509710.00000
0.67001.509400.00000
0.68001.509110.00000
0.69001.508830.00000
0.70001.508560.00000
0.71001.508300.00000
0.72001.508050.00000
0.73001.507820.00000
0.74001.507590.00000
0.75001.507370.00000
0.76001.507160.00000

Sampled data (101 points total). Click "Download Full CSV" for complete data.

Notes

ThF4 film on quartz glass

References

W. Heitmann and E. Ritter. Production and properties of vacuum evaporated films of thorium fluoride. Appl. Opt. 7, 307-309 (1968)
(Digitization of graphical data and fitting with the Sellmeier dispersion formula: refractiveindex.info)

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