Two-dimensional imaging of molecular hydrogen in H2–air diffusion flames using two-photon laser-induced fluorescence

Lempert, W. and Diskin, G and Kumar, V. and Glesk, Ivan and Miles, R (1991) Two-dimensional imaging of molecular hydrogen in H2–air diffusion flames using two-photon laser-induced fluorescence. Optics Letters, 61 (9). pp. 660-662. ISSN 0146-9592 (https://doi.org/10.1364/OL.16.000660)

[thumbnail of LempertDiskinKumarGleskMiles-OpticsLetters1991]
Preview
 PDF. Filename: LempertDiskinKumarGleskMiles_OpticsLetters1991.pdf
Final Published Version
Download (715kB)| Preview

Abstract

We report the use of a tunable ArF laser at 193.26 nm to record simultaneous single-laser-shot, planar images of molecular hydrogen and hot oxygen in a turbulent H2–air diffusion flame. Excitation spectra of fuel and oxidant-rich flame zones confirm a partial overlap of the two-photon H2 (6,0) Q(1) E, F ← X and single-photon O2 (10,2) R(17) B ← X (Schumann-Runge) absorption bands. UV Rayleigh scattering images of flame structure and estimated detection limits for the H2 two-photon imaging are also presented.

ORCID iDs

Lempert, W., Diskin, G, Kumar, V., Glesk, Ivan ORCID logoORCID: https://orcid.org/0000-0002-3176-8069 and Miles, R;
CORE (COnnecting REpositories)