First Characterization of AC-LGAD Sensors using a Readout ASIC - Archive ouverte HAL
Communication Dans Un Congrès Année : 2021

First Characterization of AC-LGAD Sensors using a Readout ASIC

Résumé

The development of detectors that provide high resolution in four dimensions has attracted wide-spread interest in the scientific community for several applications in high-energy physics, nuclear physics, medical imaging, mass spectroscopy, as well as quantum information. The Low-Gain Avalanche Diode (LGAD) silicon detector has already shown excellent timing performances, but since fine pixelization of LGADs is difficult to achieve, the AC-coupled LGAD (AC-LGAD) approach was introduced to provide high spatial resolution. In this type of device, the signal is capacitively induced on fine-pitched electrodes placed over an insulator and is shared among multiple electrodes. AC-LGADs are therefore considered as promising candidates for future detectors to provide 4-dimensional measurements with high resolution in both space and time dimensions. AC-LGAD sensors designed and fabricated at the Brookhaven National Laboratory (USA) have been coupled and read-out using a fast-time ASIC prototype, the ATLAS LGAD Timing Integrated Read-Out Chip (ALTIROC) that was developed by Omega/IJCLab (France) for the ATLAS timing detector at the HL-LHC. The response of an AC-LGAD strip sensors to beta particles and IR photons has been measured using the ALTIROC0 ASIC and used to study signal sharing, as well as spatial and time resolution of the AC-LGAD sensor.

Mots clés

Electrodes Semiconductor device measurement Strips Detectors Sensor phenomena and characterization Silicon Timing application specific integrated circuits avalanche diodes nuclear electronics position sensitive particle detectors readout electronics silicon radiation detectors AC-LGAD sensor high-energy physics Low-Gain Avalanche Diode silicon detector excellent timing performances AC-coupled LGAD approach high spatial resolution time dimensions fast-time ASIC prototype ATLAS LGAD Timing Integrated Read-Out Chip ATLAS timing detector AC-LGAD strip sensors spatial time resolution CERN LHC Coll upgrade dimension 4 electronics readout integrated circuit semiconductor detector microstrip semiconductor electrode medicine imaging ATLAS avalanche time resolution silicon spatial resolution performance resolution nuclear physics quantum information photon position sensitive nucleus pixel radiation detector

Domaines

Instrumentations et Détecteurs [physics.ins-det] Physique Quantique [quant-ph]

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https://hal.science/hal-03863023

Soumis le : lundi 21 novembre 2022-11:41:31

Dernière modification le : jeudi 1 août 2024-13:48:06

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Dates et versions

hal-03863023 , version 1 (21-11-2022)

Identifiants

Citer

G. D’amen, W. Chen, C. de la Taille, G. Giacomini, D. Marchand, et al.. First Characterization of AC-LGAD Sensors using a Readout ASIC. 2021 IEEE Nuclear Science Symposium (NSS) and Medical Imaging Conference (MIC) and 28th International Symposium on Room-Temperature Semiconductor Detectors, Oct 2021, Yokohama, Japan. pp.1-6, ⟨10.1109/NSS/MIC44867.2021.9875914⟩. ⟨hal-03863023⟩

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