Supersonic jet multiphoton ionization mass spectrometry using nanosecond and femtosecond pulse lasers

Junichi Matsumoto, Cheng-Huang Lin, Totaro Imasaka

Research output: Contribution to journalArticle

15 Citations (Scopus)


The chemical species produced as a result of the thermal decomposition of polystyrene are multiphoton ionized by 500 fs and 15 ns laser pulses. Femtosecond laser ionization gave a more structured mass spectrum and a higher ionization efficiency. This is likely due to the fact that ionization occurs faster than intramolecular relaxation, e.g. photodecomposition, under femtosecond laser pulses.

Original languageEnglish
Pages (from-to)129-133
Number of pages5
JournalAnalytica Chimica Acta
Issue number1-2
Publication statusPublished - 1997 May 12



  • Femtosecond laser
  • Ionization efficiencies
  • Mass spectra
  • Polystyrene

ASJC Scopus subject areas

  • Biochemistry
  • Analytical Chemistry
  • Spectroscopy
  • Environmental Chemistry

Cite this