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Noninvasive Ultrafast Imaging Diagnostics in Low-Temperature Plasmas

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Abstract

We demonstrate utilization of femtosecond-duration laser pulses for two-photon-absorption LIF imaging of atomic species in nonequilibrium plasmas. Femtosecond excitation enables improved signal-to-noise ratio, suppression of photolytic interferences, kilohertz-rate imaging, and potential for collisional quenching-free measurements.

© 2014 Optical Society of America

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