Title :
Kilohertz-rate femtosecond-multi-photon-excited fluorescence imaging of atomic species in gas-phase reacting flows
Author :
Kulatilaka, Waruna D. ; Roy, Sukesh ; Gord, James R.
Author_Institution :
Spectral Energies, LLC, Dayton, OH, USA
Abstract :
We demonstrate two-photon-excited, laser-induced-fluorescence (TPLIF) imaging of atomic hydrogen in flames at 1-10 kHz using 205-nm femtosecond laser excitation. Unlike traditional ns or ps laser-based approaches, fs-TPLIF images are nearly free of photolytic interference.
Keywords :
chemical variables measurement; flames; fluorescence spectroscopy; high-speed optical techniques; hydrogen; measurement by laser beam; spectrochemical analysis; H; atomic species; femtosecond laser excitation; flames; gas-phase reacting flows; kilohertz rate femtosecond multiphoton excited fluorescence imaging; laser induced fluorescence imaging; wavelength 205 nm; Atom lasers; Atomic beams; Atomic measurements; Fires; Fluorescence; Imaging; Laser excitation;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6