Quantitative measurement of hydroxyl radical (OH) concentration in premixed flat flame by combining laser-induced fluorescence and direct absorption spectroscopy

Chen Shuang^{1, 2, †,}, Su Tie², Li Zhong-Shan³, Bai Han-Chen^{1, 2}, Yan Bo², Yang Fu-Rong^{1, 2}

Typical original images of laser-induced fluorescence in Cases 3 and 8 introduced in Table 1.