First Lasing of the Jefferson Lab IR Demo FEL

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As reported previously [1], Jefferson Lab is building a free-electron laser capable of generating a continuous wave kilowatt laser beam. The driver-accelerator consists of a superconducting, energy-recovery accelerator. The initial stage of the program was to produce over 100 W of average power with no recirculation. In order to provide maximum gain the initial wavelength was chosen to be 5 mu-m and the initial beam energy was chosen to be 38.5 MeV. On June 17, 1998, the laser produced 155 Watts cw power at the laser output with a 98% reflective output coupler. On July 28th, 311 Watts cw power ... continued below

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374 Kilobytes pages

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Benson, Stephen; Biallas, George; Bohn, Court; Douglas, David; Dylla, H.F.; Evans, R. et al. May 1, 1999.

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As reported previously [1], Jefferson Lab is building a free-electron laser capable of generating a continuous wave kilowatt laser beam. The driver-accelerator consists of a superconducting, energy-recovery accelerator. The initial stage of the program was to produce over 100 W of average power with no recirculation. In order to provide maximum gain the initial wavelength was chosen to be 5 mu-m and the initial beam energy was chosen to be 38.5 MeV. On June 17, 1998, the laser produced 155 Watts cw power at the laser output with a 98% reflective output coupler. On July 28th, 311 Watts cw power was obtained using a 90% reflective output coupler. A summary of the commissioning activities to date as well as some novel lasing results will be summarized in this paper. Present work is concentrated on optimizing lasing at 5 mu-m, obtaining lasing at 3 mu-m, and commissioning the recirculation transport in preparation for kilowatt lasing this fall.

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374 Kilobytes pages

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  • Journal Name: Nuclear Instruments and Methods in Physics Research Section A; Journal Volume: 429; Other Information: Submitted to Nuclear Instruments and Methods in Physics Research Section A, Volume 429

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  • Report No.: JLAB-ACT-99-10
  • Report No.: DOE/ER/40150-1997
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 791572
  • Archival Resource Key: ark:/67531/metadc742655

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • May 1, 1999

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  • Oct. 19, 2015, 7:39 p.m.

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  • Feb. 5, 2016, 8:06 p.m.

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Benson, Stephen; Biallas, George; Bohn, Court; Douglas, David; Dylla, H.F.; Evans, R. et al. First Lasing of the Jefferson Lab IR Demo FEL, article, May 1, 1999; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc742655/: accessed December 10, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.