High-order harmonic radiation generated by intensity spikes inside a femtosecond filament is measured. We demonstrate the potential of our setup for probing the nonlinear filamentation dynamics and present a simple attosecond light source.
© 2012 OSA
D. Steingrube, E. Schulz, M. Kretschmar, T. Binhammer, M. Garde, A. Couairon, U. Morgner, and M. Kovacev, "Probing Femtosecond Filamentation via High-order Harmonics," in Research in Optical Sciences, OSA Technical Digest (Optical Society of America, 2012), paper JT2A.52.
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