We investigate two-photon laser-induced fluorescence imaging of atomic hydrogen in premixed flames using picosecond- and nanosecond-duration laser pulses. Picosecond excitation produces significantly larger signals for interference-free detection in CH4/O2/N2and H2/O2flames.
© 2008 Optical Society of America
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.1740) Remote sensing and sensors : Combustion diagnostics
(300.0300) Spectroscopy : Spectroscopy
(300.2530) Spectroscopy : Fluorescence, laser-induced
W. D. Kulatilaka, B. D. Patterson, J. H. Frank, and T. B. Settersten, "Interference-Free Laser-Induced Fluorescence Imaging of Atomic Hydrogen in Flames," in Laser Applications to Chemical, Security and Environmental Analysis, OSA Technical Digest (CD) (Optical Society of America, 2008), paper LWB3.
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