Ir Refractive Index

Name: Ir Refractive Index (n, k)
Creator: Acuitik
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Ir, refractive index, n, k, optical constants, thin film

Optical constants (n, k) of Ir, covering 0.20 – 2.19 μm wavelength range.

Range 0.200 – 2.191 μm

Data Points 202

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)

n = 2.9420

k = 5.5160

589.3 nm (Na-D)

n = 2.7440

k = 5.2910

532 nm

n = 2.5090

k = 5.0170

1550 nm (Telecom)

n = 3.9270

k = 9.9200

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)	n	k
0.2000	0.92700	1.90900
0.2495	1.07600	2.87800
0.2990	1.75800	3.33200
0.3486	1.75300	3.51000
0.3981	1.93300	3.99600
0.4476	2.11100	4.35800
0.4971	2.31500	4.74800
0.5467	2.55800	5.07700
0.5962	2.78700	5.33900
0.6457	2.97700	5.55700
0.6952	3.11900	5.75400
0.7448	3.21900	5.95300
0.7943	3.28900	6.16400
0.8438	3.34100	6.39400
0.8933	3.38700	6.64200
0.9429	3.43400	6.90200
0.9924	3.48600	7.16900
1.0419	3.54300	7.43700
1.0914	3.60500	7.70200
1.1410	3.66900	7.96100
1.1905	3.73100	8.21300
1.2400	3.78800	8.45700
1.2895	3.83800	8.69400
1.3391	3.87800	8.92700
1.3886	3.90700	9.15900
1.4381	3.92500	9.39200
1.4876	3.93200	9.62900
1.5372	3.92900	9.87100
1.5867	3.91800	10.12100
1.6362	3.90200	10.38000
1.6857	3.88100	10.64900
1.7353	3.85800	10.92700
1.7848	3.83400	11.21400
1.8343	3.81100	11.51100
1.8838	3.79000	11.81600
1.9334	3.77200	12.12900
1.9829	3.75800	12.44900
2.0324	3.74900	12.77400
2.0819	3.74400	13.10400
2.1315	3.74500	13.43900
2.1810	3.75100	13.77700
2.1909	3.75300	13.84500

Sampled data (202 points total). Click "Download Full CSV" for complete data.

Notes

Iridium coating deposited by atomic layer deposition (ALD).

References

P. Schmitt, N. Felde, T. Doehring, M. Stollenwerk, I. Uschmann, K. Hanemann, M. Siegler, G. Klemm, N. Gratzke, A. Tuennermann, S. Schwinde, S. Schroeder, A. Szeghalmi. Optical, structural, and functional properties of highly reflective and stable iridium mirror coatings for infrared applications. Opt. Mater. Express 12, 545-559 (2022) (See supplementary materials. High-resolution data kindly provided by Paul Schmitt.)

Related Materials (Main)

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