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Time Resolution of an HV-CMOS Based Silicon Detector using Picosecond Pulsed Infrared Lasers

Niemeijer, Thijs (2024) Time Resolution of an HV-CMOS Based Silicon Detector using Picosecond Pulsed Infrared Lasers. Master's Thesis / Essay, Mechanical Engineering.


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This thesis has provided an exploration of the advancements in HV-CMOS-based silicon detectors, particularly focusing on the RD50-MPW series and their application in high-energy physics experiments. The investigation into the RD50-MPW3 and RD50-MPW4 have yielded insights into the challenges and capabilities of these devices under various experimental conditions. This research project identified enhancements in time resolution and signal integrity in the RD50-MPW4 compared to its predecessor. The improvements in time rosolution is mainly attributable to improvements in pixel architecture and digital readout systems, which have contributed to better control of noise and external clock influences. Despite these advancements, challenges remain, particularly in achieving time resolution below the tens of picoseconds due to system and component limitations such as the Preamplifier bandwidth constraints. Furthermore, the results have highlighted the importance of environmental control, demonstrating that even minor variations in temperature can have measurable effects on detector performance. This sensitivity demonstrates the necessity for environmental control measures, especially in future high-luminosity environments, where the integration of time as the fourth parameter is dependent on the precision of the time resolution. While progress may have been made in the development of silicon-based particle detectors, the progress towards perfecting these devices continues.

Item Type: Thesis (Master's Thesis / Essay)
Supervisor name: Lange, G. de
Degree programme: Mechanical Engineering
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 01 May 2024 12:00
Last Modified: 01 May 2024 12:00

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