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Optical detection in ultrafast short wavelength science

A new approach to coherent detection of ionising radiation is briefly motivated and recounted. The approach involves optical scattering of coherent light fields by colour centres in transparent solids. It has significant potential for diffractive imaging applications that require high detection dynamic range from pulsed high brilliance short wavelength sources. It also motivates new incarnations of Bragg’s X‐ray microscope for pump‐probe studies of ultrafast molecular structure‐dynamics.