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Heidelberg 2015 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 62: Poster: Quantum Optics and Photonics III

Q 62.94: Poster

Donnerstag, 26. März 2015, 17:00–19:00, C/Foyer

Silicon structures and 2 micron sources for DLA experiments — •Norbert Schönenberger1, Joshua McNeur1, Axel Rühl2, Jonas Hammer1, Ingmar Hartl2, and Peter Hommelhoff11Friedrich Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Deutschland — 2DESY, 22607 Hamburg, Deutschland

With the recent successful demonstration of Dielectric Laser Acceleration (DLA) of electrons using fused silica gratings and Ti:Sa lasers [1,2], we try to improve upon the current setup using silicon based structures and a 2 micron thulium fiber laser. Here, we show the modification of a commercial 5W thulium fiber laser to incorporate a Chirped Volume Bragg Grating (CVBG) for chirped pulse amplification (CPA). With this modification we achieve sub picosecond pulses in the >700nJ regime. Furthermore, we discuss the advantages of silicon based structures that will be used in conjunction with the new laser system and report on first experimental acceleration results.

1. Peralta et al 2013 Nature 503 91 2. Breuer and Hommelhoff 2013 Phys. Rev. Lett. 111 134803''

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