Identification of isomers and control of ionization and dissociation processes using dual-mass-spectrometer scheme and genetic algorithm optimization*

摘要: Identification of acetone and its two isomers, the control their ionization dissociation processes are performed using a dual-mass-spectrometer scheme. The scheme employs sets time flight mass spectrometers to simultaneously acquire spectra different molecules under irradiation identically shaped femtosecond laser pulses. optimal pulses found closed-loop learning method based on genetic algorithm. Compared with isomers that obtained transform limited pulse, those pulse show large differences various reaction pathways selectively controlled. experimental results demonstrate is quite effective useful in studies having common peaks, which makes traditional single spectrometer unfeasible.