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Optica Publishing Group
  • Conference on Lasers and Electro-Optics/Pacific Rim 2007
  • (Optica Publishing Group, 2007),
  • paper WP_077

Multiple filamentation and supercontinuum emission from tightly focused femtosecond laser pulses in air

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Abstract

Filamentation characteristics of tightly focused 45 fs laser pulses in air are investigated using transverse imaging in the power range of 20 - 200 GW. The effect of linear and circular polarized light pulses on the onset and spatial evolution of filamentary substructures and the associated supercontinnum emission is studied.

© 2007 IEEE

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