Optimization of collinear double-pulse femtosecond laser-induced breakdown spectroscopy of silicon

John T. Schiffern, David W. Doerr, Dennis R. Alexander

Research output: Contribution to journalArticlepeer-review

34 Scopus citations


This paper investigates the optimization of double-pulse collinear femtosecond laser-induced breakdown spectroscopy (FLIBS) for silicon. Double-pulse FLIBS signal enhancements were observed over an extended range of sample focal plane position compared to single pulse FLIBS. The FLIBS signal intensity was studied as a function of pulse energy, inter-pulse delay (0 ps-80 ps) and sample position. Correlation between crater volume and signal intensity was measured over a limited range of the sample focal plane position. It was found that double-pulse FLIBS is superior to single pulse for certain focal plane positions.

Original languageEnglish (US)
Pages (from-to)1412-1418
Number of pages7
JournalSpectrochimica Acta - Part B Atomic Spectroscopy
Issue number12
StatePublished - Dec 2007


  • Collinear dual-pulse LIBS
  • Double-pulse LIBS
  • Dual-pulse LIBS
  • Femtosecond LIBS
  • LIBS
  • Laser-induced breakdown spectroscopy

ASJC Scopus subject areas

  • Analytical Chemistry
  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Spectroscopy


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