Report on the workshop for potential users of the Argonne Linear Free-Electron Laser Facility (ALFF).

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On October 30-31, 2003 over 60 scientists gathered at ANL to discuss potential science that could be done with a fully operational user facility dedicated to delivering widely tunable, short pulse, high peak power vacuum ultraviolet light. The charge given to the workshop by J. Murray Gibson, ANL Associate Lab Director for the Advanced Photon Source, included the following two points: (1) What are the scientifically important experiments that can only be done with the proposed ALFF facility? (2) Are the combined ALFF characteristics of pulse energy, tunability, pulse length, and coherence sufficiently unique to justify establishing a user facility ... continued below

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37 pages

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Kim, K. J. April 5, 2004.

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Description

On October 30-31, 2003 over 60 scientists gathered at ANL to discuss potential science that could be done with a fully operational user facility dedicated to delivering widely tunable, short pulse, high peak power vacuum ultraviolet light. The charge given to the workshop by J. Murray Gibson, ANL Associate Lab Director for the Advanced Photon Source, included the following two points: (1) What are the scientifically important experiments that can only be done with the proposed ALFF facility? (2) Are the combined ALFF characteristics of pulse energy, tunability, pulse length, and coherence sufficiently unique to justify establishing a user facility at this time? To fulfill this two-point charge, special emphasis was placed by the workshop committee on two goals. First, scientists were invited who work in areas where the lack of powerful, tunable VUV is a limitation to speak about their current research and to speculate on the science that would be uniquely possible with the ALFF. Second, while many of the same scientists have expertise in using lasers and other VUV sources, it was considered crucial to invite scientists explicitly working on the development of tabletop VUV systems. In addition to addressing the second charge question, the purpose of inviting people with expertise in VUV source development was to raise awareness of the state of the art in tabletop VUV and soft x-ray sources, and to provide a discussion on potential combinations of FEL and tabletop sources (for example, in seeding and pump-probe arrangements). This report briefly summarizes the talks presented at this workshop and highlights some of the user needs that this facility can fulfill. The full presentations may be accessed online at www.aps.anl.gov/conferences/ALFFworkshop. The workshop was organized around four working groups to focus the discussions among scientists with similar backgrounds. These groups were: Atomic, Molecular, Optical (AMO) and Chemical Physics;. Cosmochemistry and Geochemistry; Materials Science; and Biology and Environmental Science. A plenary session included a background talk on the LEUTL followed by a lecture from one scientist in each of these areas. The background, presented by Steve Milton, delineated the existing FEL capabilities as well as the nature of the proposed upgrade, specifically the interleaving operations that will allow for a large number of user beam hours, similar to the level that the APS storage ring users now enjoy. A higher repetition rate and a shift in tuning range to shorter wavelengths was also proposed.

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37 pages

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  • Other Information: PBD: 5 Apr 2004

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  • Report No.: ANL/ASD/RP-113017
  • Grant Number: W-31-109-ENG-38
  • DOI: 10.2172/823333 | External Link
  • Office of Scientific & Technical Information Report Number: 823333
  • Archival Resource Key: ark:/67531/metadc786103

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  • April 5, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • March 23, 2016, 1:23 p.m.

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Kim, K. J. Report on the workshop for potential users of the Argonne Linear Free-Electron Laser Facility (ALFF)., report, April 5, 2004; Illinois. (digital.library.unt.edu/ark:/67531/metadc786103/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.