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- Title
Long-range spectrally and spatially resolved radiation from filaments in air.
- Authors
Théberge, F.; Liu, W.; Hosseini, S.; Luo, Q.; Sharifi, S.; Chin, S.
- Abstract
The distance-resolved spectral intensity distribution of the backscattered light from long filaments generated in air using ultra-short and intense laser pulses is presented. A clean fluorescence spectrum from N2 molecules and ions, which is produced by the high peak intensity inside the plasma filament of the fundamental pulse, was clearly resolved from the backscattered supercontinuum. The supercontinuum generated by both the fundamental and the third-harmonic pulses developed progressively and became fully developed only at the end of the filamentation.
- Subjects
OBSTRUCTIONS of lighting; LASER beams; MOLECULES; IONS; FLUORESCENCE; ELECTRICAL harmonics
- Publication
Applied Physics B: Lasers & Optics, 2005, Vol 81, Issue 1, p131
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-005-1857-7