CoRDIA: an Imaging Detector for next-generation Photon Science X-ray Sources

by Ulrich Trunk (FS-DS (Detektorsysteme))

Friday 14 Jul 2023, 14:00 → 15:00 Europe/Berlin

Sem 4a+b (Building 1b) (DESY Hamburg)

Abstract — The current or planned upgrades of most radiation sources – for synchrotron rings towards the diffraction limit, and for Free Electron Lasers towards faster continuous operation at a few 100kHz, require a new generation of detectors to profit from this step.

The acronym CoRDIA stands for Continuous Readout Digitising Imager Array, and is a hybrid pixel detector development targeted on these next-generation synchrotron sources and Free Electron Lasers. Serving the latter it builds upon the concept of the AGIPD detector, employing a charge sensitive preamplifier with adaptive gain switching. The further signal path comprises of a Correlated Double Sampling stage and an Analogue to Digital Converter (ADC) with 11bit resolution, serving a sub array of 16 pixels. 128 ADCs connect to a multi-gigabit serial link to drive the images off chip. For this part CoRDIA adopts the implementation on the Timepix4 chip by Nikhef. An Application Specific Integrated Circuit with 128×128 pixels will implement 8 of the previously described blocks. Since the links conform to industry standards (IEEE 802.3ae), the subsequent data acquisition can be based on commercial components (e.g. Field Programmable Gate Array cards connected via multi-fibre optical links). Performance targets are a continuous frame rate of ≈150kHz, and singe-photon sensitivity at «12keV, and a dynamic range of ≥1×104 photons (@ 12keV) with a silicon sensor, which could be extended using active sensors or sensors from ”high-Z” materials.

 

Authors -  Heinz Graafsma^1,2,4, Mohamed Lamine Hafiane³, Alexander Klujev^1,2, Hans Kruger³, Sabine Lange^1,2, Torsten Laurus^1,2, Alessandro Marras^1,2, David Pennicard^1,2, Ulrich Trunk^1,2, Tianyang Wang³, Cornelia B. Wunderer^1,2, 

 

¹Photon Science – Detector Systems Group, Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, D-22607 Hamburg, Germany; 

²CFEL - Center For Free Electron Laser Science, Luruper Chaussee 149, D-22761 Hamburg, Germany; 

³Physikalisches Institut, Universitat Bonn, Nußallee 12, D-53115 Bonn, Germany;

⁴Mid-Sweden University, Sundsvall, Sweden

 

This is a hybrid event. You are encouraged to partipate in person, but if this is not possible, you can use the zoom connection:

https://desy.zoom.us/j/67497994489?pwd=dDVJUm1nd2N3Tk0xZjlIN05hUFdjQT09   
Meeting ID: 674 9799 4489   
Passcode: 279900

2023-07-14_Cordia_JIS_UT.pdf