Abstract

An N2O laser is described which is tunable over 65 rotational lines of the 00°1–10°0 band. A simple method is used to determine the cavity losses of this laser. Absorption of a number of N2O lines by the 00°1–10°0 band of CO2 is demonstrated. The P (20) line of N2O is observed after attenuation by a long path of N2O at 125-torr pressure and the peak absorption coefficient for this line is found to be 0.0094 cm−1 at 300 K. The N2O laser has a certain advantage over the CO2 laser for long-range communications through the atmosphere.

© 1970 Optical Society of America

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