W Refractive Index

Optical constants (n, k) of W, covering 0.04 – 2.17 μm wavelength range.

Range 0.044 – 2.169 μm
Data Points 361

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 3.6090
k = 2.9070
589.3 nm (Na-D)
n = 3.5570
k = 2.8600
532 nm
n = 3.4970
k = 2.7190
1550 nm (Telecom)
n = 2.7020
k = 4.7140

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.04430.659800.31480
0.04620.629000.37530
0.04970.500900.48500
0.05260.479200.63240
0.05630.494500.78790
0.06110.537700.98640
0.06580.676701.15600
0.07070.853801.20900
0.07570.972201.17300
0.08030.957701.12700
0.08480.897101.19000
0.09260.956801.37900
0.09991.089001.45500
0.10821.245001.46300
0.11601.283001.37600
0.12171.209001.34600
0.12941.048001.45000
0.13701.015001.59700
0.14640.960201.74800
0.15250.949901.83600
0.16190.920902.13300
0.17381.018002.48300
0.19461.368003.07400
0.20931.781003.49700
0.22082.393003.70200
0.23303.063003.45400
0.24563.348002.98500
0.26473.267002.46000
0.29793.009002.33500
0.33623.059002.60600
0.36883.401002.65200
0.41183.378002.41600
0.51113.433002.70000
0.62683.609002.90700
0.71733.896002.85000
0.83273.492002.80100
1.05602.944003.70300
1.25503.147004.37900
1.46503.057004.46400
1.64602.309005.08000
2.16901.328008.31700

Sampled data (361 points total). Click "Download Full CSV" for complete data.

References

J. H. Weaver, C. G. Olson, D. W. Lynch. Optical properties of crystalline tungsten. Phys. Rev. B 12, 1293-1297 (1975) (Data points extracted from a figure)

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