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Energetic composition determining method for e.g. x-ray radiation, of source, involves reflecting and diffracting different wavelength areas of irradiated x-ray radiation, and detecting x-ray radiation in pre-defined receiver areas
Energetic composition determining method for e.g. x-ray radiation, of source, involves reflecting and diffracting different wavelength areas of irradiated x-ray radiation, and detecting x-ray radiation in pre-defined receiver areas
The method involves irradiating polychromatic x-ray radiation of a source (10) on a reflecting zone plate (12). Two different wavelength areas of the irradiated x-ray radiation are reflected and diffracted through pre-defined wavelength-selective areas (14) of the zone plate. The wavelength areas are focused into pre-defined receiver areas (22) that are separated from each other. The x-ray radiation is detected in the receiver areas. The x-ray radiation of the source is irradiated on the reflecting zone plate below a critical angle for the total reflection. An independent claim is also included for a device for determining spectrum of x-ray of a source.
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