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Proceedings Paper

Optimization of a grating pulse stretcher suitable for kJ class 10PW laser system
Author(s): Štěpán Vyhlídka; Daniel Kramer; Matt Kepler; Erhard Gaul; Bedřich Rus
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Paper Abstract

A comparison of various pulse stretcher designs accommodating material dispersion for a <; 150 fs 10 PW Nd:glass laser system using low dispersion diffraction gratings is presented. Since the pulse amplification demands a high stretch ratio of the stretcher to suppress non-linear effects and a high temporal contrast of the pulse is required to avoid ionization of the experimental targets, the design of the stretcher is a critical part for dispersion management. Here, we compare several designs using only one diffraction grating based on either a Perry-Banks or an Offner stretcher types, mostly at the Littrow angle. The target spectral phase profile is achieved through the tuning of the grating position, the angle of incidence on the grating, the radii of curvature of curved mirrors and the line density of the grating.

Paper Details

Date Published: 11 May 2017
PDF: 7 pages
Proc. SPIE 10238, High-Power, High-Energy, and High-Intensity Laser Technology III, 102380T (11 May 2017); doi: 10.1117/12.2270477
Show Author Affiliations
Štěpán Vyhlídka, ELI-Beamlines, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Charles Univ. in Prague (Czech Republic)
Daniel Kramer, ELI-Beamlines, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Matt Kepler, National Energetics (United States)
Erhard Gaul, National Energetics (United States)
The Univ. of Texas at Austin (United States)
Bedřich Rus, ELI-Beamlines, Institute of Physics of the ASCR, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 10238:
High-Power, High-Energy, and High-Intensity Laser Technology III
Joachim Hein, Editor(s)

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