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The O 3 absorption coefficients for the rotational lines P(12)-P(28) of the 9.4μm emission band of the CO 2 laser are presented. Measurements were made in O 3 -air dilute mixtures (20-600ppm) at 25 o C and a total pressure of 1013.25hPa using a frequency stabilized cw CO 2 laser and values have been determined with greater precision than in previously reported...
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