The combined intensities at 300°K of the N2O bands near 4.5 µ have been determined to be 1920 ±50 cm-1 (atm-cm NTP)-1. The measurements were made on a grating, double beam, spectrophotometer. The tests made to estimate the accuracy and reproducibility of this instrument are described.
Guy D. Yale, Dale L. Ford, and John H. Shaw, "The Strengths of the N2O Bands Near 4.5 µ," Appl. Opt. 7, 695-697 (1968)