Speaker
Description
At Eindhoven University of Technology, a tabletop x-ray source based on inverse Compton scattering (ICS) has recently been commissioned. In the ICS process monochromatic x-rays are produced by colliding relativistic electron bunches with intense laser pulses. This compact and tunable source holds the promise of a performance in between small-scale x-ray tubes and large-scale synchrotron light sources, making advanced x-ray diagnostics accessible to a wider range of applications.
A main challenge is bremsstrahlung created by the dark current of the accelerator. The bremsstrahlung arrives in pulses with a time duration of 200 ns, while the x-ray pulse length is on the order of picoseconds. We use the temporal resolution of the TimePix3 to filter the bremsstrahlung, improving the signal-to noise ratio in K-edge subtraction imaging experiments.