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  4. Power scaling of femtosecond enhancement cavities and high-power applications
 
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2011
Conference Paper
Title

Power scaling of femtosecond enhancement cavities and high-power applications

Abstract
An Yb-based 78-MHz repetition rate fiber-amplified frequency comb is used to investigate the power scaling limitations of a standard-design bow tie high-finesse enhancement cavity for XUV generation. With a Xenon gas jet in the 22-?m-radius focus, the 200-fs intra-cavity circulating pulse reaches a maximum of 20 kW of time-averaged power. A novel cavity design is presented, conceived to overcome the observed enhancement limitations and offering the prospect of few-nm high-power high-harmonic generation. Several applications which come into reach for the first time are discussed.
Author(s)
Pupeza, I.
Eidam, T.
Kaster, J.
Bernhardt, B.
Rauschenberger, J.
Ozawa, A.
Fill, E.F.
Udem, T.
Kling, M.F.
Limpert, J.
Alahmed, Z.A.
Azzeer, A.M.
Tünnermann, A.
Hänsch, T.W.
Krausz, F.
Mainwork
Fiber Lasers VIII: Technology, Systems, and Applications  
Conference
Conference "Fiber Lasers - Technology, Systems, and Applications" 2011  
DOI
10.1117/12.877532
Language
English
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF  
Keyword(s)
  • enhancement cavity

  • XUV

  • MHz high-harmonic generation

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