A novel hybrid picosecond-nanosecond rotational CARS system is demonstrated for measurements of Raman linewidths of N2 and O2 at ambient conditions. Averaged data agree very well with previous results. The single-shot linewidth measurements are consistent with the linewidths extracted from averaged data. The potential for simultaneous thermometry and linewidth measurements on a single-shot basis is discussed.

© 2016 Optical Society of America

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