Imaging of the spatial distribution of atoms in an optical-breakdown plasma, with one-dimensional coherent hyper-Raman scattering
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A technique based on coherent four-wave mixing with a hyper-Raman resonance in wide beams was developed for line-by-line reconstruction of the spatial distribution of excited atoms in a laser-produced plasma. This method was used to study the spatial distribution of excited lead atoms in an optical-breakdown plasma formed on a metal target. A comparison was made of the technique of constructing plasma images line-by-line with a four-photon technique of point-by-point measurements. Estimates were obtained of the spatial resolution of the proposed technique. Potential applications of this approach in plasma diagnostics were analysed.
author list (cited authors)
Akimov, D. A., Zheltikov, A. M., Koroteev, N. I., Miles, R. B., Naumov, A. N., Sidorov-Biryukov, D. A., & Fedotov, A. B.
complete list of authors
Akimov, DA||Zheltikov, AM||Koroteev, NI||Miles, RB||Naumov, AN||Sidorov-Biryukov, DA||Fedotov, AB