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Cavity-enhanced noncollinear high-harmonic generation

 
: Högner, Maximilian; Saule, Tobias; Heinrich, Stephan; Lilienfein, Nikolai; Esser, Dominik; Trubetskov, Michael; Pervak, Volodymyr; Pupeza, Ioachim

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Volltext ()

Optics Express 27 (2019), Nr.14, S.19675-19691
ISSN: 1094-4087
Englisch
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer ILT ()
ultrafast optic; Attosecond; high-field physics

Abstract
Femtosecond enhancement cavities have enabled multi-10-MHz-repetition-rate coherent extreme ultraviolet (XUV) sources with photon energies exceeding 100 eV – albeit with rather severe limitations of the net conversion efficiency and of the duration of the XUV emission. Here, we explore the possibility of circumventing both these limitations by harnessing spatiotemporal couplings in the driving field, similar to the "attosecond lighthouse," in theory and experiment. Our results predict dramatically improved output coupling efficiencies and efficient generation of isolated XUV attosecond pulses.

: http://publica.fraunhofer.de/dokumente/N-555722.html