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The 'proper' Geometry for Conical X-ray Crystal Spectrographs and Novel Experimental Arrangements for the Spectroscopy of laser-produced plasmas and other small (point-like) X-ray Sources

The invention describes the 'proper' geometry and novel configurations for conical x-ray crystal spectrographs, which are being used for the x-ray spectroscopy of laser-produced plasmas and which can, in principle, also be used for the diagnosis of any other small (point-like) x-ray source. These novel configurations are based on symmetry considerations and are also quite flexible, so that experimental arrangement of the source, crystal and detector can be optimized according to experimental requirements. With respect to the spectroscopy of laser-produced plasmas, this invention provides easy access to large Bragg angles for line-sharp measurements with high spectral resolutions; and it also offers many entirely new options, which have not been realized before and which will advance the state of the art. 


U.S. Department of Energy
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