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Using ultra fast analog memories for fast photodetector readout

Abstract : The recent progresses in the field of photodetection have pushed the performances of the detectors toward the picosecond scale. Necessary precise charge and time measurement are mainly based on high-end oscilloscopes or commercial modules, but these solutions are expensive and house very few channels. The USB-WaveCatcher board provides high performances over a short time window. It houses two 12-bit 500-MHz-bandwidth digitizers sampling up to 3.2 GS/s. Its low consumption allows it to be USB-powered and it offers a lot of functionalities. The board has been used in different test benches dedicated to fast MCP-PMTs or SiPMs, and a reproducible time precision better than 10 ps rms has been demonstrated. Implementations with up to 16 channels have been designed and exhibit the same time precision. The USB-WaveCatcher thus seems to be a wonderful tool for photodetector characterization. Our next step is to widely expand the number of channels while keeping the 10 ps time precision.
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http://hal.in2p3.fr/in2p3-00613299
Contributor : Sabine Starita <>
Submitted on : Thursday, August 4, 2011 - 11:08:49 AM
Last modification on : Wednesday, October 14, 2020 - 3:41:40 AM

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D. Breton, E. Delagnes, J. Maalmi. Using ultra fast analog memories for fast photodetector readout. 6th International Conference on New Developments in Photodetection (NDIP 2011), Jul 2011, Lyon, France. pp.61-67, ⟨10.1016/j.nima.2011.12.007⟩. ⟨in2p3-00613299⟩

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