Developments of the amplified stimulated emission technique for spatially resolved species detection in flames

Nikola Georgiev, Kaj Nyholm, Rolf Fritzon, Marcus Aldén

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Abstract

It is demonstrated that the amplified stimulated emission technique can be applied for spatially resolved detection of flame species requiring a two-photon excitation process. The approach utilizes two laser beams of different wavelengths produced by a dual wavelength package in the dye laser. By wavelength separation through the use of two different doubling crystals fulfilling the phase-matching condition for only one beam at a time, followed by crossing the beams in the flame, a substantial increase in spatial resolution is achieved. The technique is demonstrated on ammonia in a jet and on carbon atoms in a welding torch flame.

Original languageEnglish
Pages (from-to)71-76
JournalOptics Communications
Volume108
Issue number1-3
DOIs
Publication statusPublished - 15 May 1994
MoE publication typeA1 Journal article-refereed

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