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  Peak intensity measurement of strong laser pulses using nonlinear Thomson scattering

Har-Shemesh, O. (2012). Peak intensity measurement of strong laser pulses using nonlinear Thomson scattering. Master Thesis, Ruprecht-Karls-Universität, Heidelberg, Germany.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-41A5-8 Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0029-32BE-8
Genre: Hochschulschrift

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master-Har-Shemesh.pdf (Verlagsversion), 3MB
 
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 Urheber:
Har-Shemesh, Omri1, Autor           
Di Piazza, Antonino, Ratgeber
Affiliations:
1Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,, ou_904546              

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 Zusammenfassung: The precise measurement of the intensity of strong laser pulses (intensity I0 1020W=cm2) is experimentally very challenging. The equipment involved in intensity measurements for lower-intensity lasers cannot withstand such strong fields, and the tight focus of these pulses make the measurement even more difficult. In this Master thesis I propose a novel method for measuring the intensity of strong laser pulses, in the intensity range between 1020W=cm2 and 1023W=cm2. The method exploits the well-known fact that when ultra-relativistic electrons are accelerated they emit radiation primarily in a narrow-cone around the direction of their instantaneous velocity. By allowing ultra-relativistic electrons to propagate through a strong laser pulse, and by measuring the angular aperture of the radiation emitted, it is shown that the value of the peak laser intensity can be accurately inferred. Theoretical accuracies of the order of 10% are in principle foreseen.

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 Datum: 2012
 Publikationsstatus: Angenommen
 Seiten: 50 S. : Ill., graph. Darst.
 Ort, Verlag, Ausgabe: Heidelberg, Germany : Ruprecht-Karls-Universität
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 Art des Abschluß: Master

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