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  The New IR FEL Facility at the Fritz-Haber-Institut in Berlin

Schöllkopf, W., Gewinner, S., Erlebach, W., Heyne, G., Junkes, H., Liedke, A., et al. (2015). The New IR FEL Facility at the Fritz-Haber-Institut in Berlin. In J. Chrin, S. Reiche, & V. R. W. Schaa (Eds.), Proceedings of the 36th Free Elecron Laser Conference (pp. 629-634). Retrieved from http://www.jacow.org/index.php?n=Main.Proceedings.

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 Creators:
Schöllkopf, Wieland1, Author              
Gewinner, Sandy1, Author              
Erlebach, Wolfgang1, Author              
Heyne, Georg1, Author              
Junkes, Heinz2, Author              
Liedke, Andreas1, Author              
Meijer, Gerard1, Author              
Paarmann, Alexander3, Author              
Helden, Gert von1, Author              
Bluem, Hans4, Author
Dowell, David4, Author
Lange, Ralph4, Author
Rathke, John4, Author
Todd, Alan Murray Melville4, Author
Young, Lloyd Martin4, Author
Lehnert, Ulf5, Author
Michel, Peter5, Author
Seidel, Wolfgang5, Author
Wünsch, Rudi5, Author
Gottschalk, Stephen C.6, Author
Affiliations:
1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              
2Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              
3Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              
4Advanced Energy Systems, Inc., 27 Industrial Blvd., Medford, NY 11763, USA, ou_persistent22              
5Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany, ou_persistent22              
6STI Optronics, Inc., 2755 Northup Way, Bellevue, WA 98004, USA, ou_persistent22              

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 Abstract: A mid-infrared oscillator FEL has been commissioned at the Fritz-Haber-Institut. The accelerator consists of a thermionic gridded gun, a subharmonic buncher and two S-band standing-wave copper structures [1,2]. It provides a final electron energy adjustable from 15 to 50 MeV, low longitudinal (<50 keV-ps) and transverse emittance (<20 π mm-mrad), at more than 200 pC bunch charge with a micro-pulse repetition rate of 1 GHz and a macro-pulse length of up to 15 μs. Regular user operation started in Nov. 2013 with 6 user stations. Pulsed radiation with up to 100 mJ macro-pulse energy at about 0.5% FWHM bandwidth is routinely produced in the wavelength range from 4 to 48 μm. We will describe the FEL design and its performance as determined by IR power, bandwidth, and micro-pulse length measurements. Further, an overview of the new FHI FEL facility and first user results will be given. The latter include, for instance, spectroscopy of bio-molecules (peptides and small proteins) conformer selected or embedded in superfluid helium nano-droplets at 0.4 K, as well as vibrational spectroscopy of mass-selected metal-oxide clusters and protonated water clusters in the gas phase.

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Language(s): eng - English
 Dates: 2015-01
 Publication Status: Published online
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
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Title: 36th International Free Electron Laser Conference
Place of Event: Basel, Switzerland
Start-/End Date: 2014-08-25 - 2014-08-29

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Title: Proceedings of the 36th Free Elecron Laser Conference
Source Genre: Proceedings
 Creator(s):
Chrin, Jan, Editor
Reiche, Sven, Editor
Schaa, Volker R. W., Editor
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Pages: - Volume / Issue: - Sequence Number: WEB04 Start / End Page: 629 - 634 Identifier: ISBN: 978-3-95450-133-5