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Pulsvermessung durch Pulsformung im Femtosekundenbereich: Experiment und Modellierung

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons101744

Ludwig,  Andreas
Thomas Pfeifer - Independent Junior Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Zitation

Ludwig, A. (2014). Pulsvermessung durch Pulsformung im Femtosekundenbereich: Experiment und Modellierung. Bachelor Thesis, Ruprecht-Karls-Universität, Heidelberg.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0015-7AAF-E
Zusammenfassung
Multiphoton Intrapulse Interference Phase Scan (MIIPS) is a pulse shaper based method for laser pulse characterization in which the dependency of nonlinear optical processes on the spectral phase of these pulses is exploited. By introducing a known reference phase using a pulse shaper, this phase can be reconstructed iteratively by analyzing characteristic features in second-harmonic spectra. In the framework of this thesis, the underlying processes of MIIPS were simulated using LabVIEW, an experiment was set up and a set of measurements was performed. Overall, a good qualitative agreement between simulated and measured results as well as the general functioning of MIIPS could be observed. Furthermore, the quality of phase reconstruction, the impact of the laser beam profile and the used reference phase, among others, have been investigated. Experimental results are well reproducible to an uncertainty of less than 0.1 rad and exhibit good qualitative agreement with the expectation.