Doppler-free two-photon-excited fluorescence spectroscopy of atomic hydrogen in flames
- 15 July 1990
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 15 (14) , 814-816
- https://doi.org/10.1364/ol.15.000814
Abstract
We describe Doppler-free 205-nm two-photon excitation studies of atomic hydrogen performed using a single-mode pulsed dye-laser system in low-pressure flames. Excitation spectra confirm calculated line-strength ratios for transitions to the 3S and 3D states. Collisional broadening rates are obtained in several flames and compared with quenching rates measured in the same flames, using time-resolved fluorescence measurements.Keywords
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