High harmonic source for seeding of FERMI@Elettra

S. J. Goh, P. J.M. Van Der Slot, H. J.M. Bastiaens, S. G. Biedron, M. B. Danailov, S. V. Milton, J. Herek, K. J. Boller

Research output: Contribution to conferencePaperpeer-review

1 Citation (Scopus)


FERMI@Elettra is a free electron laser user facility that will produce high-brightness, ultra-short pulses with broad wavelength coverage for a wide range of user experiments. Currently, FERMI uses the HGHG technique to improve both the longitudinal and spectral coherence and the stability of the output of the laser. Using a High Harmonic (HH) source to drive the HGHG process will allow FERMI to reach shorter wavelengths with a single stage. It also will provide a comparison between HH and HGHG seeding methods. For the HH source, we will use neutral atoms in a hollow waveguide in combination with pulse shaping of the drive laser pulse to provide wavelength tuning as well as selective enhancement of the harmonic orders. In this paper, we the discuss the scaling of HH generation to several hundreds of nanoJoule pulse energy at a specific harmonic (several tens of MW peak power) and present the HH source under construction at the university of Twente.

Original languageEnglish
Number of pages4
Publication statusPublished - 1 Dec 2010
Event32nd International Free Electron Laser Conference, FEL 2010 - Malmö, Sweden
Duration: 23 Aug 201027 Aug 2010
Conference number: 32


Conference32nd International Free Electron Laser Conference, FEL 2010
Abbreviated titleFEL


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