Buffer-gas Pressure Broadening for the Third Overtone Band of NO Measured with Continuous-wave Cavity Ring-down Spectroscopy

摘要

The buffer-gas pressure broadening coefficients and the temperature dependent parameter of the third overtone band of NO at 1.35-1.38 μm by N2 and rare gases for two ground electronic states, ~2Π_(1/2) and ~2Π_(3/2), were investigated for rotational levels of P(7.5)-R(14.5) using continuous-wave cavity ring-down spectroscopy. Obtained pressure-broadening coefficients are consistent with literature values.