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Quantum imaging exploits quantum weirdness to improve the resolution or other properties of an imaging system. The approach has been widely applied to imaging with visible light, but a team has now demonstrated this quantum enhancement at x-ray wavelengths. The researchers developed the first x-ray source that can generate a so-called quantum correlation between two photons—a long-distance, quantum mechanical relationship. The team used the photon pairs to image a simple object. The results show that quantum correlations improved the sharpness of the acquired image and suggest that similar approaches might benefit other x-ray-based research, such as studying defects in materials or determining the structures of biomolecules.

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Category: Science