Ta Refractive Index

Optical constants (n, k) of Ta, covering 0.02 – 1.65 μm wavelength range.

Range 0.018 – 1.653 μm
Data Points 149

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 1.5751
k = 2.3411
532 nm
n = 2.3739
k = 1.9009

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.01760.867300.03570
0.01800.861800.04120
0.01840.854800.04090
0.01880.846700.04310
0.01920.836800.04660
0.01970.815400.05400
0.02020.806700.07620
0.02070.828100.06880
0.02120.791500.06630
0.02180.777500.08040
0.02230.758200.08310
0.02300.748400.12290
0.02360.708400.10870
0.02430.674100.14980
0.02500.657200.17880
0.02580.618000.26050
0.02670.650400.30830
0.02760.664900.33920
0.02850.638300.36660
0.02950.577700.48040
0.03060.536600.65410
0.03180.827101.20840
0.03311.269600.80180
0.03441.447700.57440
0.03591.282300.30690
0.03761.446300.13660
0.03941.152700.06940
0.04131.030800.09260
0.04350.947700.10550
0.04590.826300.12160
0.04860.711100.19410
0.05170.611700.52560
0.05510.734400.35130
0.05900.664800.42190
0.06360.471900.52980
0.06890.321500.80710
0.07510.498301.08370
0.08270.894701.27690
0.09180.899201.11830
0.10330.826401.34500
0.11810.874101.60560
0.13781.224501.78280
0.16530.885802.05860
0.20661.494803.43290
0.26103.226102.31680
0.31002.733902.36140
0.38153.125002.53870
0.49592.919501.95150
0.70851.121303.36610
1.23980.772107.84530
1.65310.9891011.06440

Sampled data (149 points total). Click "Download Full CSV" for complete data.

Notes

Theoretical density function theory (DFT) calculations.

References

W. S. M. Werner, K. Glantschnig, C. Ambrosch-Draxl. Optical constants and inelastic electron-scattering data for 17 elemental metals. J. Phys Chem Ref. Data 38, 1013-1092 (2009)

Related Materials (Main)

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

Need to measure Ta thin film thickness?

Acuitik film thickness measurement systems offer sub-nanometer non-contact precision.

View ProductsContact Us