Pulse front tilt measurement of femtosecond laser pulses

In this work we report experimental investigations of an intentionally introduced pulse front tilt on femtosecond laser pulses by using an inverted field correlator/interferometer. A reliable criterion for the precision in aligning (in principle) dispersionless systems for manipulating ultrashort pu...

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Bibliographic Details
Published in:Optics communications 2016-07, Vol.371, p.51-58
Main Authors: Dimitrov, Nikolay, Stoyanov, Lyubomir, Stefanov, Ivan, Dreischuh, Alexander, Hansinger, Peter, Paulus, Gerhard G.
Format: Article
Language:English
Subjects:
(Auto)correlation
Camber
Coupling
Diffraction gratings
Femtosecond
Femtosecond pulses
Interferometers
Inverted field correlator
Inverted field interferometer
Lasers
Mathematical analysis
Pulse front tilt
Tilt
Ultrafast measurements
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Summary:In this work we report experimental investigations of an intentionally introduced pulse front tilt on femtosecond laser pulses by using an inverted field correlator/interferometer. A reliable criterion for the precision in aligning (in principle) dispersionless systems for manipulating ultrashort pulses is developed, specifically including cases when the pulse front tilt is a result of a desired spatio-temporal coupling. The results obtained using two low-dispersion diffraction gratings are in good qualitative agreement with the data from a previously developed analytical model and from an independent interferometric measurement. •Investigation of intentionally introduced pulse front tilt on femtosecond pulses.•A criterion for the alignment of dispersionless systems is developed.•Results agree well with the data from a developed analytical model.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2016.03.054