Radiation Spectrum Statistics in a High-Gain Free-Electron Laser at 266 nm

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High Gain Harmonic Generation FEL is in operations at the DUV-FEL facility (BNL). During HGHG FEL characterization we have measured a set of data demonstrating basic properties of the FEL radiation and compared them with analytic calculations [1]. This paper describes continuation of characterization of the HGHG FEL radiation output, based on the spectral measurements. We discuss analysis of an experiment at which the tunability concept of a seeded FEL with a fixed seed wavelength has been verified [2]. During the experiment we recorded about 200 radiation spectra corresponding to different energy chirps in the electron beam. We have analyzed ... continued below

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3 pages

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Shaftan, T.; Sheehy, B.; Yu, L.H.; Murphy, J.B.; Krinsky, S.; Rose, J. et al. December 14, 2005.

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Description

High Gain Harmonic Generation FEL is in operations at the DUV-FEL facility (BNL). During HGHG FEL characterization we have measured a set of data demonstrating basic properties of the FEL radiation and compared them with analytic calculations [1]. This paper describes continuation of characterization of the HGHG FEL radiation output, based on the spectral measurements. We discuss analysis of an experiment at which the tunability concept of a seeded FEL with a fixed seed wavelength has been verified [2]. During the experiment we recorded about 200 radiation spectra corresponding to different energy chirps in the electron beam. We have analyzed this set of spectral data to obtain statistical properties of HGHG radiation. Correlations and trends in the radiation spectrum at 266 nm have been observed and studied.

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3 pages

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  • Prepared for 27th International Free Electron Laser Conference (FEL 2005), Stanford, California, 21-26 Aug 2005

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  • Report No.: SLAC-PUB-11561
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 877493
  • Archival Resource Key: ark:/67531/metadc876192

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  • December 14, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 1, 2016, 1:04 p.m.

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Shaftan, T.; Sheehy, B.; Yu, L.H.; Murphy, J.B.; Krinsky, S.; Rose, J. et al. Radiation Spectrum Statistics in a High-Gain Free-Electron Laser at 266 nm, article, December 14, 2005; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc876192/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.