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High-Speed Data AcQuisition System Development for a new 262k Pixels X-Ray Camera at the SOLEIL Synchrotron

Aug 4, 2022, 2:05 PM
Oral Presentation Data Acquisition System Architectures DAQ System & Trigger - IV


Dr AIT MANSOUR, El Houssain (Synchrotron SOLEIL)


Single photon counting hybrid pixel detector technology with short gate capability has been chosen to achieve time-resolved pump-probe experiments in the energy range from 5 to 15 keV at SOLEIL Synchrotron. The detector prototypes, based on the UFXC32k [1] readout chip, were developed for this initial purpose due to various very interesting performances of the chip, such as high readout speed, high count-rate capabilities, and moderate pixel size. The prototype cameras can reach the framerate of 20 kfps in fastest configuration with the current DAQ (2-bits readout, DAQ limited). After completion of small-size prototypes, a new detector demonstrator of medium size with 8 chips is under development. This represents several new challenges in the detector development program at SOLEIL, as the new camera will provide improved performance with multiple acquisition modes. This paper presents a new data acquisition system with a quad channel 10Gb/s UDP/IP data streaming architecture dedicated for this demonstrator. It is based on a Xilinx Virtex-7 FPGA (Field Programmable Gate Array) and PandaBlocks firmware for control and status. The DAQ (Data AcQuisition) system enables streaming data from the detector with four 10 Gb/s Ethernet links reaching up to 40 Gb/s bandwidth through four high-speed transceivers. The new architecture allows for reading 8 chips simultaneously, without reducing image frequency.

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Primary authors

Dr AIT MANSOUR, El Houssain (Synchrotron SOLEIL) Dr DAWIEC, Arkadiusz (SOLEIL Synchrotron) Dr ORSINI, Fabienne (Synchrotron SOLEIL)

Presentation materials