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750-940 nm CH4 Absorption Coefficients vs Wave Number


Source: O'Brien, James, Cao, Hong, 2002, Absorption spectra and absorption coefficients for methane in the 750-940 nm region obtained by intracavity laser spectrscopy, J. Quant. Spectrosoc. Rad. Transfer, 75, 323-350.

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Table 1. Absorption coefficients (km-1 am-1) per cm-1 for the 861 and 889 nm bands of methane at 77 K derived from intracavity laser spectroscopy measurements.
Wave NumberAbsorption Coefficient
(cm -1)km -1 atm -1
108590.24
108600.21
108610.26
108620.22
108630.14
108640.37
108650.31
108660.18

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