Tracking spectral shapes and temporal dynamics along a femtosecond filament | Zendy

Emilia Schulz | Zendy; Daniel S. Steingrube | Zendy; Thomas Binhammer | Zendy; Mette B. Gaarde | Zendy; A. Couairon | Zendy; Uwe Morgner | Zendy; Milutin Kovačev | Zendy

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Tracking spectral shapes and temporal dynamics along a femtosecond filament

Author(s) -

Emilia Schulz,

Daniel S. Steingrube,

Thomas Binhammer,

Mette B. Gaarde,

A. Couairon,

Uwe Morgner,

Milutin Kovačev

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.019495

Subject(s) - filamentation , protein filament , optics , femtosecond , physics , temporal resolution , tracking (education) , laser , materials science , psychology , pedagogy , composite material

The spectral evolution of a high-intensity light channel formed by filamentation is investigated in a detailed experimental study. We also track the spatio-temporal dynamics by high-order harmonic generation along the filament. Both the spectral and temporal diagnostics are performed as a function of propagation distance, by extracting the light pulses directly from the hot filament core into vacuum via pinholes that terminate the nonlinear propagation. We compare the measured spectral shapes to simulations and analyze numerically the temporal dynamics inside the filament.

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