Abstract

We have used the precise molecular constants of the ν2 vibration of 14NH3 and 15NH3 together with the accurately known frequencies of the various CO2 and N2O laser lines to calculate the coincidences between pump laser lines and NH3 absorption lines that could lead to cw FIR laser emission. We have experimentally examined the coincidences between NH3 absorption lines and 12C16CO2 laser lines, providing information about up to which quantum numbers J, K laser emission can be expected. FIR power measurements confirm the expected good efficiency of NH3 FIR lasers.

© 1982 Optical Society of America

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