These compact detector are now available!

Both as compact ( down to 0.5mm diam.) intensity monitor or as 4 diodes (2 and 3mm   diam.) for phase-contrast measurements.

Associated, EPICS compatible, readout systems are also available

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Fig.1 0.8mm diameter diode with engineered connections.   Silver is used for fully blocking the beam

Fig.2 Installation of the sensor at PXI beamline (SLS/PSI)

Fig.3 View of the shadow generated by the beamstopper   (PXI/SLS/PSI)

Fig.4 Overview of the fabricated sensors

Fig.6 Geometry of 4 quadrant sensors