Percival soft X-ray CMOS Imager for Photon Science – Status and Prospects
Abstract Percival is a CMOS-based imager with 2 megapixels, also called P2M, designed for photon science experiments. The first generation of the P2M sensor showed some performance issues. Specifically, ADCs in full-speed operation mode are affected by crosstalk and show a non-linear and uncorrectable response. A firmware hack to the readout and data acquisition system has been introduced to partially overcome these effects, at the cost of limiting the frame rate to 83 Hz. Moreover, a non-uniform dark response of the sensor pixels is observed, explained by non-uniform bias currents across the chip: two opposite edges of the sensor cannot be digitized when applying biases that have the centre of the sensor operating normally. These issues are addressed in the re-submission of the chip. In this contribution, we present the current status of the detector and the first results from the re-designed sensor.
Authors
- M. Nakhostin (ORCID: https://orcid.org/0000-0002-0047-0366)
- I. Shevyakov
- S.Y. Park
- L. Stebel (ORCID: https://orcid.org/0000-0001-8920-3776)
- J. S. Lange (ORCID: https://orcid.org/0000-0003-0234-0474)
- Jonathan Correa (ORCID: https://orcid.org/0000-0001-7336-6765)
- N. Guerrini (ORCID: https://orcid.org/0000-0001-9420-8838)
- Kai Bagschik
- B. Marsh (ORCID: https://orcid.org/0000-0003-2195-8712)
- F. Kriváň (ORCID: https://orcid.org/0000-0002-5357-5954)
- D. Giuressi (ORCID: https://orcid.org/0000-0003-3169-7261)
- T. Nicholls
- Seung-gi Gang (ORCID: https://orcid.org/0000-0003-3103-4476)
- Vahagn Vardanyan (ORCID: https://orcid.org/0000-0002-1033-1968)
- Elke Plönjes (ORCID: https://orcid.org/0000-0002-2325-7402)
- Mabel Ruiz-Lopez (ORCID: https://orcid.org/0000-0002-7206-6557)
- A.L. Greer (ORCID: https://orcid.org/0000-0001-7360-5439)
- R.H. Menk (ORCID: https://orcid.org/0000-0003-2676-8336)
- G. Cautero (ORCID: https://orcid.org/0000-0002-6873-2051)
- A. Marras (ORCID: https://orcid.org/0000-0003-0065-7443)
- Moritz Hoesch (ORCID: https://orcid.org/0000-0002-0114-2110)
- I. Sedgwick (ORCID: https://orcid.org/0000-0002-0232-6966)
- Günter Brenner (ORCID: https://orcid.org/0000-0002-1755-876X)
- T. Hirono (ORCID: https://orcid.org/0000-0002-4400-4105)
- H. Graafsma (ORCID: https://orcid.org/0000-0003-2304-667X)
- Barbara Keitel (ORCID: https://orcid.org/0000-0001-6587-8998)
- Šimon Jelínek (ORCID: https://orcid.org/0000-0002-1999-811X)
- Konstantin Kharitonov (ORCID: https://orcid.org/0000-0002-4707-1047)
- H. J. Hyun (ORCID: https://orcid.org/0009-0006-9459-5683)
- C. Wunderer (ORCID: https://orcid.org/0000-0001-8211-3604)
- William F. Nichols
- Robert Radloff
- Th. Wendt
- S. Rah
- K.S. Kim
- Seong‐Hyop Kim (ORCID: https://orcid.org/0000-0001-7764-9818)
- Rui Pan (ORCID: https://orcid.org/0000-0002-4821-1419)
- M. Hajheidari
- F. Goutierrez
- M. Dahlgruen
- J. Gebert
Institutions
- Karlsruhe Institute of Technology (DE)
- Rutherford Appleton Laboratory (GB)
- Universität Hamburg (DE)
- Science and Technology Facilities Council (GB)
- Synchrotron soleil (FR)
- AREA Science Park (IT)
- Deutsches Elektronen-Synchrotron DESY (DE)
- Elettra-Sincrotrone Trieste S.C.p.A. (IT)
- Diamond Light Source (GB)
- Research Complex at Harwell (GB)
- Pohang TechnoPark (South Korea) (KR)
- Center for Free-Electron Laser Science (DE)
- Mid Sweden University (SE)
- European X-Ray Free-Electron Laser (DE)
Publication Details
- Journal
- Journal of Physics Conference Series
- Published
- 2025-05-01
- DOI
- https://doi.org/10.1088/1742-6596/3010/1/012129
- Primary Topic
- Advanced X-ray Imaging Techniques
- Type
- article
- Field-Weighted Citation Impact
- 0.00