Microwave scattering from laser spark in air

Jordan Sawyer, Zhili Zhang, Mikhail N. Shneider

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


In this paper, microwave Mie scattering from a laser-induced plasma in atmospheric air is computed. It shows that the scattered microwave transitions from coherent Rayleigh scattering to Mie scattering based on the relative transparency of the laser-induced plasma at the microwave frequency. The microwave penetration in the plasma alters from total transparency to partial shielding due to the sharp increase of the electron number density within the avalanche ionization phase. The transition from Rayleigh scattering to Mie scattering is verified by both the temporal evolution of the scattered microwave and the homogeneity of polar scattering plots.

Original languageEnglish (US)
Article number063101
JournalJournal of Applied Physics
Issue number6
StatePublished - Sep 15 2012

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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