International Journal of Spectroscopy / 2014 / Article / Fig 4

Research Article

Optical Path Length Calibration: A Standard Approach for Use in Absorption Cell-Based IR-Spectrometric Gas Analysis

Figure 4

Detector signals with an etalon (top) in the beam path, with gas in the cell (bottom), and with both of them (inset), as a function of digital sample points. Data are on the reference cell containing 20 mmol/mol CO2 in nitrogen gas mixture at  Pa (bottom).

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