Background-free Species Detection In Sooty Flames Using Degenerate 4-wave-mixing

Research output: Contribution to journalArticle


The background radiation disturbance in luminous environments has been compared for degenerate four-wave mixing (DFWM) and laser-induced fluorescence (LIF) for OH radical detection in a sooty propane/oxygen flame. The LIF signal generally was considerably stronger than the DFWM signal, but in strongly sooty environments the LIF signal was accompanied by a significant background signal, while the DFWM signal was background-free under all soot loads tested.


Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Atom and Molecular Physics and Optics
Original languageEnglish
Pages (from-to)1620-1622
JournalApplied Spectroscopy
Issue number10
Publication statusPublished - 1993
Publication categoryResearch

Bibliographic note

The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Atomic physics (011013005), Physics, Faculty of Technology (011013200)

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