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用时间分辨富里叶红外发射谱仪（TR－FTIRS），研究了248nm激光先解甲酸体系，检测到振动激发态产物CO（v≤8）、CO2（v3≤9）及H2O（v）的红外发光，由此得到光解的两个通道：HCOOH→CO＋H2O及HCOOH01→CO2＋H2。光谱拟合获得新生CO、CO2的振动布居，并求出了两个通道的分支比．发现初生产物CO2的振动布居有明显反转，生成CO2通道的贡献大于生成CO2的通道．道。
The time-resolved Fourier transform infrared spectrometer (TR-FTIRS) was used to study the deacidification system of 248nm laser. The excited states of CO (v≤8), CO2 (v3≤9) and H2O (v) Luminescence, resulting in two channels of photolysis: HCOOH → CO + H2O and HCOOH01 → CO2 + H2. Spectral fitting obtained newborn CO, CO2 vibrational population, and obtained the two channel branch ratio. It is found that there is a significant reversal in the distribution of vibration of primary products of CO2, which contributes more to CO2 channels than to CO2 channels. Road.