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Related papers: Recent Technological Developments on LGAD and iLGA…

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Low Gain Avalanche Detectors (LGADs) are a type of thin silicon detector with a highly doped gain layer. LGADs manufactured by Fondazione Bruno Kessler (FBK) were tested before and after irradiation with neutrons. In this study, the…

To meet the timing resolution requirement of up-coming High Luminosity LHC (HL-LHC), a new detector based on the Low-Gain Avalanche Detector(LGAD), High-Granularity Timing Detector (HGTD), is under intensive research in ATLAS. Two types of…

Integrated photodetectors are essential components of scalable photonics platforms for quantum and classical applications. However, most efforts in the development of such devices to date have been focused on infrared telecommunications…

Applied Physics · Physics 2021-04-14 Salih Yanikgonul , Victor Leong , Jun Rong Ong , Ting Hu , Ching Eng Png , Leonid Krivitsky

Single-photon detectors (SPDs) are widely used in applications requiring extremely weak light detection. In the near-infrared region, SPDs based on InGaAs/InP single-photon avalanche diodes (SPADs) are the primary candidates for practical…

Instrumentation and Detectors · Physics 2025-03-07 Chao Yu , Qi Xu , Jun Zhang

We discuss the use of Low Gain Avalanche (LGAD) silicon detectors for two specific applications, namely measuring cosmic rays in space in collaboration with NASA] and beam properties and received doses for patients undergoing cancer…

High Energy Physics - Experiment · Physics 2023-11-09 C. Royon , F. Gautier

The performances of Low Gain Avalanche diode (LGAD) sensors from a neutron irradiation campaign with fluences of 0.8 x 10^15, 15 x 10^15 and 2.5 x 10^15 neq/cm2 are reported in this article. These LGAD sensors are developed by the Institute…

A novel methodology, named the diffusion profile method, is proposed in this research to measure the electric field of a low gain avalanche detector (LGAD).The proposed methodology utilizes the maximum of the time derivative of the edge…

Instrumentation and Detectors · Physics 2023-11-30 Chenxi Fu , Haobo Wang , Tao Yang , Zijun Xu , Congcong Wang , Jianing Lin , Weimin Song , Ryuta Kiuchi , Xiaoshen Kang , Xin Shi , Suyu Xiao

A new gain implant design has recently been introduced to enhance the radiation resistance of low-gain avalanche diodes (LGADs) to the extreme fluences anticipated in future hadron colliders like FCC-hh. This design utilises an engineered…

This contribution will delve into the design and performance of the newly produced Silicon Carbide Low Gain Avalanche Detectors (4H-SiC LGADs) and provide a comprehensive summary of their measured characteristics. This includes an analysis…

We present the design and simulation of a 30 $\mathrm{\mu m}$ thick 4H-SiC Low Gain Avalanche Diode (LGAD) optimized for high-voltage operation. A 2.4 $\mathrm{\mu m}$ thick epitaxially grown gain layer enables controlled internal…

Low-Gain Avalanche Diode (LGAD) sensors, offering timing resolutions of the order of tens of picoseconds, are being widely adopted in particle physics experiments and related applications. As these applications scale to large numbers of…

Instrumentation and Detectors · Physics 2026-05-27 Kyungmin Lee , Hoyong Jeong , Junho Kim , Seokhyeon Lee , Jaebak Kim , Jae Hyeok Yoo

The high-luminosity upgrade of the ATLAS and CMS experiments includes dedicated sub-detectors to perform the time-stamping of minimum ionizing particles (MIPs). These detectors will be exposed up to fluences in the range of 1.5 - 2.5e15…

Instrumentation and Detectors · Physics 2023-06-22 Esteban Curras Rivera , Alessandro La Rosa , Michael Moll , Fasih Zareef

The response of Low Gain Avalanche Diodes (LGADs), which are a type of thin silicon detector with internal gain, to X-rays of energies between 6-70 keV was characterized at the SLAC light source (SSRL). The utilized beamline at SSRL was…

A comprehensive and reliable nuclear database of neutron-induced process is required by the development of Accelerator-Driven System technology. Although many excellent efforts have been made, the measurements to the fission fragment in…

Instrumentation and Detectors · Physics 2023-07-27 Yuhang Guo , Mengzhao Li , Mengchen Niu , Zhijun Liang , Ruirui Fan

This paper presents the setup assembled to characterize and measure the spatial and timing resolutions of AC-coupled Low Gain Avalanche Diodes (AC-LGADs), using a 1060 nm laser source to deposit initial charges with a defined calibration…

Instrumentation and Detectors · Physics 2026-02-23 Danush Shekar , Shirsendu Nanda , Zhenyu Ye , Ryan Heller , Artur Apresyan

In this radiation tolerance study, Low Gain Avalanche Detectors (LGADs) with a carbon-enriched broad and shallow multiplication layer were examined in comparison to identical non-carbonated LGADs. Manufactured at IMB-CNM, the sensors…

Impact ionization in silicon devices has been extensively studied and several models for a quantitative description of the impact ionization coefficients have been proposed. We evaluate those models against gain measurements on Low Gain…

Instrumentation and Detectors · Physics 2023-05-29 Esteban Curras Rivera , Michael Moll

The presented study investigates the effects of low fluences from $5\times10^{12}$ up to $1\times10^{14}$ particles/cm$^{2}$ of 60MeV proton and neutron irradiation on n-type Low Gain Avalanche Detectors (nLGADs). An nLGAD is a silicon…

Instrumentation and Detectors · Physics 2025-08-11 Veronika Kraus , Marcos Fernandez Garcia , Salvador Hidalgo , Michael Moll , Jairo Villegas

Single-photon detectors (SPDs) are the most sensitive instruments for light detection. In the near-infrared range, SPDs based on III-V compound semiconductor avalanche photodiodes have been extensively used during the past two decades for…

Quantum Physics · Physics 2015-05-13 Jun Zhang , Mark A. Itzler , Hugo Zbinden , Jian-Wei Pan

We study the radiation effects of the Low Gain Avalanche Detector (LGAD) sensors developed by the Institute of High Energy Physics (IHEP) and the Novel Device Laboratory (NDL) of Beijing Normal University in China. These new sensors have…

Instrumentation and Detectors · Physics 2021-07-07 Yuhang Tan , Tao Yang , Suyu Xiao , Kewei Wu , Lei Wang , Yaoqian Li , Zhenwei Liu , Zhijun Liang , Dejun Han , Xingan Zhang , Xin Shi