R&D toward a compact high-brilliance X-ray source based on channeling radiation
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X-rays have been valuable to a large number of fields including Science, Medicine, and Security. Yet, the availability of a compact high-spectral brilliance X-ray sources is limited. A technique to produce X-rays with spectral brilliance B~ 10(12) photons.(mm-mrd)(2).(0.1% BW)(1).8s(1) is discussed. The method is based on the generation and acceleration of a low-emittance field-emitted electron bunches. The bunches are then focused on a diamond crystal thereby producing channeling radiation. In this paper, after presenting the overarching concept, we discuss the generation, acceleration and transport of the low-emittance bunches with parameters consistent with the production of high-brilliance X-rays through channeling radiation. We especially consider the example of the Advanced Superconducting Test Accelerator (ASTA) currently in construction at Fermilab where a proof-of-principle experiment is in preparation.
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Neighbours, John Robert; Buskirk, Fred Ramon (Monterey, California. Naval Postgraduate School, 1984-05); NPS-61-84-008High energy electrons above about 25 MeV may produce microwave radiation in air by the Cerenkov mechanism. Electrons accelerated by a travelling wave accelerator are emitted in bunches. The radiation produced by such a ...
Bruce, Robert G. (1985-06);The equation as derived by F.R. Buskirk and J.R. Neighbours for the power in the diffraction pattern of Cerenkov radiation from periodic bunches in air is experimentally tested at the Naval Postgraduate School Accelerator ...
Neighbours, John Robert; Maruyama, Xavier K.; Buskirk, Fred Ramon (Monterey, California. Naval Postgraduate School, 1986-06); NPS-61-86-013The electron beam in a free electron laser (FEL) becomes axially modulated at the optical wave length of the FEL radiation. This electron beam passed through a gas may produce intense Cerenkov radiation. The effects of the ...