Journal
PHYSICAL REVIEW LETTERS
Volume 110, Issue 15, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.155003
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Funding
- U.S. Department of Energy [DE-FG02-05ER15663]
- Defense Threat Reduction Agency [HDTRA1-11-C-0001]
- Air Force Office for Scientific Research [FA 9550-08-1-0232, FA9550-11-1-0157]
- Department of Homeland Security [2007-DN-077-ER0007-02]
- Defense Advanced Research Projects Agency [FA9550-09-1-0009]
- U.S. Department of Energy (DOE) [DE-FG02-05ER15663] Funding Source: U.S. Department of Energy (DOE)
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We report the generation of MeV x rays using an undulator and accelerator that are both driven by the same 100-terawatt laser system. The laser pulse driving the accelerator and the scattering laser pulse are independently optimized to generate a high energy electron beam (> 200 MeV) and maximize the output x-ray brightness. The total x-ray photon number was measured to be similar to 1 x 10(7), the source size was 5 mu m, and the beam divergence angle was similar to 10 mrad. The x-ray photon energy, peaked at 1 MeV (reaching up to 4 MeV), exceeds the thresholds of fundamental nuclear processes (e.g., pair production and photodisintegration). DOI: 10.1103/PhysRevLett.110.155003
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