Calorimetric detection of THz radiation from femtosecond filaments in air Academic Article uri icon


  • The THz radiation produced by plasma filaments created in air by intense femtosecond laser pulses was measured using calorimetric techniques. A detector sensitive to the radiated energy in a frequency spanning between dc and THz was used for the study. The dc signal was compared to the sub-THz emission from the localized dense plasma produced in air. The results show that plasma channels created during the filamentation of femtosecond laser pulses emit sub-THz radiation.

author list (cited authors)

  • M├ęchain, G., Tzortzakis, S., Prade, B., Franco, M., Mysyrowicz, A., & Leriche, B.

citation count

  • 21

publication date

  • December 2003