Prospects for compact high-intensity laser synchrotron x-ray and gamma sources

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A laser interacting with a relativistic electron beam behaves like a virtual wiggler of an extremely short period equal to half of the laser wavelength. This approach opens a route to relatively compact, high-brightness x-ray sources alternative or complementary to conventional synchrotron light sources. Although not new, the laser synchrotron source (LSS) concept is still waiting for a convincing demonstration. Available at the BNL Accelerator Test Facility (ATF), a high-brightness electron beam and the high-power CO{sub 2} laser may be used as prototype LSS brick stones. In a feasible demonstration experiment, 10-GW, 100-ps CO{sub 2} laser beam will be brought ... continued below

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12 p.

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Pogorelsky, I.V. November 1, 1996.

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  • Pogorelsky, I.V. Brookhaven National Lab., Upton, NY (United States). Accelerator Test Facility

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A laser interacting with a relativistic electron beam behaves like a virtual wiggler of an extremely short period equal to half of the laser wavelength. This approach opens a route to relatively compact, high-brightness x-ray sources alternative or complementary to conventional synchrotron light sources. Although not new, the laser synchrotron source (LSS) concept is still waiting for a convincing demonstration. Available at the BNL Accelerator Test Facility (ATF), a high-brightness electron beam and the high-power CO{sub 2} laser may be used as prototype LSS brick stones. In a feasible demonstration experiment, 10-GW, 100-ps CO{sub 2} laser beam will be brought to a head-on collision with a 10-ps, 0.5-nC, 50 MeV electron bunch. Flashes of collimated 4.7 keV (2.6 {angstrom}) x-rays of 10-ps pulse duration, with a flux of {approximately} 10{sup 19} photons/sec, will be produced via linear Compton backscattering. The x-ray spectrum is tunable proportionally to the e-beam energy. A rational short-term extension of the proposed experiment would be further enhancement of the x-ray flux to the 10{sup 22} photons/sec level, after the ongoing ATF CO{sub 2} laser upgrade to 5 TW peak power and electron bunch shortening to 3 ps is realized. In the future, exploiting the promising approach of a high-gradient laser wake field accelerator, a compact ``table-top`` LSS of monochromatic gamma radiation may become feasible.

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12 p.

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INIS; OSTI as DE97001904

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  • 7. workshop on advanced accelerator concepts, Lake Tahoe, CA (United States), 12-18 Oct 1996

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  • Other: DE97001904
  • Report No.: BNL--63684
  • Report No.: CONF-9610210--9
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 432974
  • Archival Resource Key: ark:/67531/metadc675945

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  • November 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Nov. 9, 2015, 1:54 p.m.

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Pogorelsky, I.V. Prospects for compact high-intensity laser synchrotron x-ray and gamma sources, article, November 1, 1996; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc675945/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.