Absolute density measurement of nitrogen dioxide with cavity-enhanced laser-induced fluorescence
Yang Zheng-Hai, Yang Yong-Cheng, Deng Lian-Zhong, Yin Jian-Ping
       

(color online) (color online) (a) Absorption and (b) LIF spectrum of NO2. Flowing gas sample keeps pressure in the cavity chamber at 0.2 Torr.