10 September 2005 High-intensity electron beam for liquid-metal-jet anode hard x-ray generation
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Abstract
We report on our progress towards the experimental realization of a liquid-metal-jet-anode x-ray source with high brightness. We have previously shown that this electron-impact source has potential for very high x-ray brightness by combining small-spot high-flux operation of the electron beam with high-speed operation of the regenerative liquid-metal-jet anode. In the present paper we review the system and describe theoretical calculations for improving the 50 kV, 600 W electron-beam focussing to ~30 μm spot size. With such a system the power density on the liquid-metal-jet would be ~400 kW/mm2, i.e., more than an order of magnitude higher than the power density on a state-of-the-art rotating anode.
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Tomi Tuohimaa, Mikael Otendal, and Hans M. Hertz "High-intensity electron beam for liquid-metal-jet anode hard x-ray generation", Proc. SPIE 5918, Laser-Generated, Synchrotron, and Other Laboratory X-Ray and EUV Sources, Optics, and Applications II, 59180U (10 September 2005); doi: 10.1117/12.616480; https://doi.org/10.1117/12.616480
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