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Abstract

Various examples are provided for channeling X-rays. In one example, among others, a system includes an electron gun including afield-emitting cathode capable of producing an electron beam with exquisitely small emittance, an accelerator capable of accelerating the emitted electrons to relativistic energies, and a focusing assembly capable of focusing the accelerated electrons into a focal spot on a diamond crystal to produce hard X-rays. In another example, a method includes producing an exquisitely small emittance of electrons from a field-emitting cathode, accelerating the emitted electrons to relativistic energies, focusing the accelerated electrons into a focal spot on a diamond crystal, and emitting hard X-rays from the diamond crystal.

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First Claim