Calorimetric detection of THz radiation from femtosecond filaments in air

G. Méchain, Stylianos Tzortzakis, B. Prade, M. Franco, A. Mysyrowicz, B. Leriche

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Abstract

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.

Original languageEnglish
Pages (from-to)707-709
Number of pages3
JournalApplied Physics B: Lasers and Optics
Volume77
Issue number8
DOIs
Publication statusPublished - Dec 2003
Externally publishedYes

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

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