Infrared extension of the super continuum generated by femtosecond terawatt laser pulses propagating in the atmosphere.

  title={Infrared extension of the super continuum generated by femtosecond terawatt laser pulses propagating in the atmosphere.},
  author={J{\'e}r{\^o}me Kasparian and Roland A. Sauerbrey and D. Mondelain and S. Niedermeier and J. Z. Yu and Jean-Pierre Wolf and Y. B. Andre and Michel Franco and Bernard S. Prade and Stylianos Tzortzakis and A Mysyrowicz and M. Rodriguez and Holger Wille and Ludger W{\"o}ste},
  journal={Optics letters},
  volume={25 18},
We investigated the spectral behavior of a white-light continuum generated in air by 2-TW femtosecond laser pulses at 800 nm. The spectrum extends at least from 300 nm to 4.5 mum. From 1 to 1.6 mum the continuum's intensity increases strongly with the laser energy and depends on the initial chirp. 

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