4 November 2005 A virtual antenna produced in air by intense femtosecond laser pulses
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Abstract
When propagating in air intense femtosecond laser pulses organize into intense self-guided light pulses. In turn, such self-guided pulses generate in their wake extended thin plasma columns. We show that these plasma columns act like antennas able to radiate electromagnetic pulses.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
G. Méchain, A. Mysyrowicz, M. Depiesse, M. Pellet, "A virtual antenna produced in air by intense femtosecond laser pulses", Proc. SPIE 5989, Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II, 59890S (4 November 2005); doi: 10.1117/12.631202; https://doi.org/10.1117/12.631202
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KEYWORDS
Plasma

Antennas

Femtosecond phenomena

Signal detection

Radio propagation

Atmospheric propagation

Electrodes

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