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Interference-Free, High-Repetition-Rate Imaging of Atomic-Hydrogen in Flames Using Femtosecond, Two-Photon-Excited, Laser-Induced Fluorescence (fs-TPLIF)

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Abstract

We demonstrate two-photon-excited, laser-induced-fluorescence (TPLIF) imaging of atomic hydrogen in reacting flows at kilohertz rates using 205-nm femtosecond laser excitation. Unlike traditional ns or ps laser-based approaches, fs-TPLIF images are nearly free of photolytic interference.

© 2012 Optical Society of America

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