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Editor's Pick in Optics Letters

Updated: Jan 16, 2020

The recent Optics Letters article entitled “Flexible chirp-free probe pulse amplification for kHz fs/ps rotational CARS” by Arafat Rahman and co-authors was selected as an Editor's Pick in January 2020. See doi.org/10.1364/OL.382033.

This work will enable much improved sensitivity of femtosecond/picosecond rotational coherent anti-Stokes Raman scattering (fs/ps RCARS) thermometry and species measurements at extreme temperatures and pressures at kHz rates and with high a spatial resolution of ~90 microns. Accuracies are of the order 1-2% up to flame temperatures, as demonstrated in the figure.


The full citation to the work is as follows: K.A. Rahman, E.L. Braun, M.N. Slipchenko, S. Roy, and T.R. Meyer “Flexible chirp-free probe pulse amplification for kHz fs/ps rotational CARS,” Opt. Lett. 45(2), 503-506, 2020. The work is a collaboration between Purdue University and Spectral Energies, LLC. Thanks also go to Prof. Chloe Dedic at the University of Virginia for her assistance with the fs/ps CARS model development.

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