Cr Refractive Index

Optical constants (n, k) of Cr, covering 0.19 – 1.94 μm wavelength range.

Range 0.188 – 1.937 μm
Data Points 49

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 3.1700
k = 3.3000
589.3 nm (Na-D)
n = 3.2200
k = 3.3000
532 nm
n = 2.9400
k = 3.3300

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.18801.280001.64000
0.19201.310001.65000
0.19501.350001.68000
0.19901.390001.70000
0.20301.430001.70000
0.20701.460001.71000
0.21201.460001.72000
0.21601.470001.72000
0.22101.450001.73000
0.22601.430001.74000
0.23101.400001.77000
0.23701.380001.80000
0.24301.360001.85000
0.24901.360001.91000
0.25501.370001.97000
0.26201.380002.03000
0.26901.390002.08000
0.27601.430002.15000
0.28401.450002.21000
0.29201.480002.28000
0.30101.530002.34000
0.31101.580002.40000
0.32001.650002.47000
0.33201.690002.53000
0.34201.760002.58000
0.35401.840002.64000
0.36801.870002.69000
0.38101.920002.74000
0.39702.000002.83000
0.41302.080002.93000
0.43102.190003.04000
0.45102.330003.14000
0.47102.510003.24000
0.49602.750003.30000
0.52102.940003.33000
0.54903.180003.33000
0.58203.220003.30000
0.61703.170003.30000
0.65903.090003.34000
0.70403.050003.39000
0.75603.080003.42000
0.82103.200003.48000
0.89203.300003.52000
0.98403.410003.57000
1.08803.580003.58000
1.21603.670003.60000
1.39303.690003.84000
1.61003.660004.31000
1.93703.710005.04000

Sampled data (49 points total). Click "Download Full CSV" for complete data.

Notes

Room temperature

References

P. B. Johnson and R. W. Christy. Optical constants of transition metals: Ti, V, Cr, Mn, Fe, Co, Ni, and Pd. Phys. Rev. B 9, 5056-5070 (1974)

Related Materials (Main)

Need to measure Cr thin film thickness?

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