White-light filaments for atmospheric analysis.

  title={White-light filaments for atmospheric analysis.},
  author={J{\'e}r{\^o}me Kasparian and Miguel X. Rodr{\'i}guez and Guillaume M{\'e}jean and Jin Yu and Estelle Salmon and H C Wille and Riad Bourayou and Stefan Frey and Y. B. Andre and Andr{\'e} Mysyrowicz and Roland A. Sauerbrey and J P Wolf and Ludger W{\"o}ste},
  volume={301 5629},
Most long-path remote spectroscopic studies of the atmosphere rely on ambient light or narrow-band lasers. High-power femtosecond laser pulses have been found to propagate in the atmosphere as dynamically self-guided filaments that emit in a continuum from the ultraviolet to the infrared. This white light exhibits a directional behavior with enhanced backward scattering and was detected from an altitude of more than 20 kilometers. This light source opens the way to white-light and nonlinear… CONTINUE READING
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