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Characterisation of the high dynamic range Large Pixel Detector (LPD) and its use at X-ray free electron laser sources

DOI: 10.1088/1748-0221/12/12/P12003 DOI Help

Authors: M. C. Veale (Rutherford Appleton Laboratory, Science & Technology Facilities Council) , P. Adkin (Rutherford Appleton Laboratory, Science & Technology Facilities Council) , P. Booker (Rutherford Appleton Laboratory, Science & Technology Facilities Council) , J. Coughlan (Rutherford Appleton Laboratory, Science & Technology Facilities Council) , M. J. French (Rutherford Appleton Laboratory, Science & Technology Facilities Council) , M. Hart (Rutherford Appleton Laboratory, Science & Technology Facilities Council) , T. Nicholls (Rutherford Appleton Laboratory, Science & Technology Facilities Council) , A. Schneider (Rutherford Appleton Laboratory, Science & Technology Facilities Council) , P. Seller (Rutherford Appleton Laboratory, Science & Technology Facilities Council) , I. Pape (Diamond Light Source) , K. Sawhney (Diamond Light Source) , G. A. Carini (LCLS, SLAC National Accelerator Laboratory) , P. A. Hart (LCLS, SLAC National Accelerator Laboratory)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Journal Of Instrumentation , VOL 12 , PAGES P12003 - P12003

State: Published (Approved)
Published: December 2017
Diamond Proposal Number(s): 13413

Abstract: The STFC Rutherford Appleton Laboratory have delivered the Large Pixel Detector (LPD) for MHz frame rate imaging at the European XFEL. The detector system has an active area of 0.5 m × 0.5 m and consists of a million pixels on a 500 μm pitch. Sensors have been produced from 500 μm thick Hammamatsu silicon tiles that have been bump bonded to the readout ASIC using a silver epoxy and gold stud technique. Each pixel of the detector system is capable of measuring 105 12 keV photons per image readout at 4.5 MHz. In this paper results from the testing of these detectors at the Diamond Light Source and the Linac Coherent Light Source (LCLS) are presented. The performance of the detector in terms of linearity, spatial uniformity and the performance of the different ASIC gain stages is characterised.

Subject Areas: Physics


Instruments: B16-Test Beamline