Plasma-assisted coherent backscattering for standoff spectroscopy.
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We show that an intense coherent backward signal can be generated through a Raman-type four-wave-mixing process using forward propagating fields only. Phase matching for this process is achieved through a plasma modulation of the refractive index. Applications to standoff spectroscopy are discussed.
author list (cited authors)
Yuan, L., Dorfman, K. E., Zheltikov, A. M., & Scully, M. O.
complete list of authors
Yuan, Luqi||Dorfman, Konstantin E||Zheltikov, Aleksei M||Scully, Marlan O