Ge2Sb2Te5 (crystalline) Refractive Index

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

Range 0.350 – 2.200 μm
Data Points 664

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 3.8560
k = 3.5410
589.3 nm (Na-D)
n = 3.5280
k = 3.5230
532 nm
n = 3.0750
k = 3.4380
1550 nm (Telecom)
n = 6.4640
k = 0.9180

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.35031.677002.63400
0.37581.858002.80200
0.40132.047002.95000
0.42682.242003.08000
0.45232.441003.19300
0.47782.643003.28800
0.50332.846003.36800
0.52883.050003.43100
0.55423.253003.48000
0.57973.453003.51400
0.60513.651003.53400
0.63063.844003.54100
0.65604.032003.53600
0.68144.215003.52000
0.70674.392003.49200
0.73214.562003.45600
0.75744.724003.41000
0.78274.879003.35700
0.80805.026003.29600
0.83325.165003.23000
0.85845.296003.15800
0.88365.418003.08100
0.90875.533003.00100
0.93385.640002.91700
0.95895.738002.83100
0.98405.830002.74300
1.02865.975002.58300
1.08326.123002.38400
1.13796.242002.18500
1.19276.334001.99000
1.24756.402001.80100
1.30256.449001.61900
1.35756.478001.44600
1.41266.490001.28200
1.46786.489001.12900
1.52306.475000.98600
1.57836.451000.85400
1.63376.418000.73200
1.67996.384000.63900
1.80976.269000.41600
1.97006.100000.21900
2.12985.922000.10200
2.19985.848000.07500

Sampled data (664 points total). Click "Download Full CSV" for complete data.

Notes

Crystalline 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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