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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 20 — Sep. 26, 2011
  • pp: 19495–19507

Tracking spectral shapes and temporal dynamics along a femtosecond filament

Emilia Schulz, Daniel S. Steingrube, Thomas Binhammer, Mette B. Gaarde, Arnaud Couairon, Uwe Morgner, and Milutin Kovačev  »View Author Affiliations

Optics Express, Vol. 19, Issue 20, pp. 19495-19507 (2011)

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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.

© 2011 OSA

OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4160) Nonlinear optics : Multiharmonic generation
(320.0320) Ultrafast optics : Ultrafast optics
(320.5520) Ultrafast optics : Pulse compression
(320.6629) Ultrafast optics : Supercontinuum generation

ToC Category:
Nonlinear Optics

Original Manuscript: July 5, 2011
Revised Manuscript: August 23, 2011
Manuscript Accepted: August 29, 2011
Published: September 22, 2011

Emilia Schulz, Daniel S. Steingrube, Thomas Binhammer, Mette B. Gaarde, Arnaud Couairon, Uwe Morgner, and Milutin Kovačev, "Tracking spectral shapes and temporal dynamics along a femtosecond filament," Opt. Express 19, 19495-19507 (2011)

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