methane Refractive Index

Optical constants (n, k) of methane, covering 0.00 – 1.95 μm wavelength range.

Range 0.002 – 1.953 μm
Data Points 31

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 1.2720
k = 0.0000
589.3 nm (Na-D)
n = 1.2730
k = 0.0000

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.00201.000000.20040
0.05450.864000.20040
0.09001.196000.60960
0.10001.420000.45510
0.10121.417000.44720
0.10871.476000.35270
0.11621.442000.30240
0.12001.455000.31280
0.13371.659000.17020
0.40001.280000.06934
0.58311.273000.00000
0.59831.273000.00000
0.62151.272000.00000
0.66961.272000.00000
0.68561.271000.00000
0.70571.271000.00000
0.71741.271000.00000
0.72991.271000.00000
0.78491.270000.00000
0.79941.270000.00000
0.84181.270000.00000
0.86731.270000.00000
0.88851.270000.00000
0.97421.269000.00000
0.98721.269000.00000
1.00001.269000.00000
1.01401.269000.00000
1.23501.268000.00000
1.24101.268000.00000
1.93201.267000.00000
1.95301.267000.00000

Sampled data (31 points total). Click "Download Full CSV" for complete data.

Related Materials (Organic)

acetaminophen acetic acid acetone acetonitrile acetylene benzene

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