Laser induced excitation of ammonia at 1076 cm-1 in the megawatt region

Vladimir Starov, Colin Steel, Robert G. Harrison

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Absorption of high-power CO2-laser radiation by 5-244 Torr of ammonia has been studied. The incident infrared radiation energy was varied in the range 0.04-0.70 Jcm-2 pulse-1 corresponding to average power levels of 0.2-3.5 MW cm-2, respectively. It is shown that experimental measurements can conveniently be summarized using an empirical absorption law, which is a modified Lambert-Beer law, written in terms of fluences or doses. A kinetic model is analyzed in relation to the data thus presented. © 1979 American Institute of Physics.

Original languageEnglish
Pages (from-to)3304-3310
Number of pages7
JournalJournal of Chemical Physics
Issue number8
Publication statusPublished - 1979


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