Ge2Sb2Te5 Refractive Index

Optical constants (n, k) of Ge2Sb2Te5, covering 0.35 – 2.20 μm wavelength range.

Range 0.350 – 2.200 μm
Data Points 661

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 4.0400
k = 1.6950
589.3 nm (Na-D)
n = 3.8840
k = 1.8330
532 nm
n = 3.6220
k = 2.0000
1550 nm (Telecom)
n = 4.0730
k = 0.0090

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.35032.390002.13700
0.37582.592002.17600
0.40132.788002.19100
0.42682.975002.18500
0.45233.151002.16100
0.47783.315002.12200
0.50333.467002.07000
0.52883.606002.00800
0.55423.731001.93900
0.57973.844001.86300
0.60513.945001.78300
0.63064.034001.70000
0.65604.113001.61600
0.68144.181001.53100
0.70674.240001.44700
0.73214.290001.36300
0.75744.332001.28100
0.78274.367001.20200
0.80804.396001.12400
0.83324.418001.04900
0.85844.436000.97700
0.88364.449000.90700
0.90874.457000.84000
0.93384.462000.77700
0.95894.463000.71600
0.98404.461000.65800
1.02864.451000.56200
1.08324.429000.45700
1.13794.399000.36400
1.19274.363000.28300
1.24754.322000.21300
1.30254.278000.15400
1.35754.232000.10500
1.41264.185000.06600
1.46784.139000.03700
1.52304.095000.01600
1.57834.053000.00400
1.63374.017000.00100
1.68923.989000.00100
1.83993.936000.00100
2.00003.899000.00100
2.15993.872000.00100
2.19983.866000.00100

Sampled data (661 points total). Click "Download Full CSV" for complete data.

Notes

Amorphous Ge2Sb2Te5.

References

J. A. Frantz, J. D. Myers, A. Clabeau, R. Y. Bekele, N. Hong, M. A. Vincenti, M. Gandolfi, J. S. Sanghera. Optical constants of germanium antimony telluride (GST) in amorphous, crystalline, and intermediate states. Opt. Mater. Express 13, 3631-3640 (2023) (See supplemental materials)

Related Materials (Main)

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

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