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  • Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023)
  • Technical Digest Series (Optica Publishing Group, 2023),
  • paper cg_4_4

High Harmonic Generation in Neon Inside a Thin-Disk Laser Oscillator: Towards a Coherent Single-Stage 100-eV Source

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Abstract

Compact high harmonic generation (HHG) systems as affordable tabletop coherent XUV sources are becoming increasingly popular in the last years. Currently, the most successful approaches are based on nonlinearly-compressed chirped-pulse fibre amplifier sources [1,2] or passive femtosecond enhancement cavities [3]. We develop an alternative approach based on driving HHG directly inside an ultrafast thin-disk laser (TDL) oscillator [4]. This concept offers a low-complexity single-stage solution neither requiring external nonlinear pulse compression or chirped-pulse amplification, nor coherent coupling into an external femtosecond enhancement cavity.

© 2023 IEEE

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