In this paper, we discussed the mechanism of taser two-photon ionizationand the factors of the photo ionization signal, and introduced the progress in detecting aromaticmolecules by LPIS.

• 本文讨论了光电离的机理和影响该信号的诸多因素，评论了LPIS在测定芳香族分子的近期进展和应用前景。