MgH2 Refractive Index

Optical constants (n, k) of MgH2, covering 0.25 – 1.68 μm wavelength range.

Range 0.250 – 1.685 μm
Data Points 670

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 2.0336
k = 1.1202
589.3 nm (Na-D)
n = 1.9131
k = 1.1373
532 nm
n = 1.5413
k = 1.1289
1550 nm (Telecom)
n = 2.6232
k = 1.0641

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.25002.343870.00226
0.27562.179040.03319
0.30112.081650.04595
0.32671.995040.07278
0.35221.923630.07604
0.37771.834250.09665
0.40331.759920.12373
0.42881.658210.10852
0.45431.403890.14006
0.47981.126960.49192
0.50541.255970.93154
0.53081.525161.12346
0.55631.742091.15809
0.58181.881261.14365
0.60721.969701.12578
0.63272.033581.12023
0.65812.092261.12220
0.68352.149141.12382
0.70882.203401.12186
0.73422.253301.11528
0.75952.296561.10492
0.78482.332621.09368
0.81012.362731.08348
0.83532.388301.07534
0.86052.410711.06975
0.88572.431251.06683
0.91082.451241.06646
0.93592.472031.06776
0.96102.493971.06927
0.98602.516711.07006
1.03522.561941.06759
1.08952.608991.05727
1.14392.648751.03913
1.19852.676451.01481
1.25322.687400.99094
1.30802.684170.97555
1.36292.671700.97257
1.41792.654930.98357
1.47312.638371.00863
1.52842.626001.04675
1.58382.621291.09615
1.63932.627141.15439
1.68452.641411.20621

Sampled data (670 points total). Click "Download Full CSV" for complete data.

Notes

Magnesium Hydride, Under 7 bar H2 gas, Room temperature, 200 nm thin film, electron beam evaporated, vacuum annealed 2 hr 350 °C.

References

K. J. Palm, J. B. Murray, T. C. Narayan, J. N. Munday. Dynamic optical properties of metal hydrides. ACS Photonics 5, 4677-4686 (2018)
(Numerical data kindly provided by Kevin Palm)

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