, Volume 87, Issue 3, pp 457-461
Date: 17 Apr 2007

Dispersion of femtosecond laser pulses in beam pipelines from ambient pressure to 0.1 mbar

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Dispersion of femtosecond pulses in evacuated laser pipelines was measured by spectrally and spatially resolved interferometry. The pressure range varied from 1 bar to 0.1 mbar. The change of spectral phase has been experimentally proven to follow the Edlén-type dispersion formula. Consequences of delivering femtosecond pulses in vacuum beam pipelines and on their precise timing on a target are also discussed.


41.85.Ja; 42.65.Re; 51.70.+f