示波器连接和带宽对从耦合到LYSO闪烁体的SiPM信号形成的影响

IF 2.6 3区工程技术 Q1 NUCLEAR SCIENCE & TECHNOLOGY

Nuclear Engineering and Technology Pub Date : 2025-09-23 DOI:10.1016/j.net.2025.103934

Marcelo Bender Perotoni , Georgious Konstantinou , Adelson Duarte dos Santos , Daniel Alexandre Baptista Bonifacio

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引用次数: 0

摘要

本文利用示波器进行时域和频域测量，探讨了由硅光电倍增管（SiPM）耦合到LYSO闪烁体在伽马能谱中产生的信号。分析了同轴电缆和示波器探头在测量中的影响。采用两种电缆连接方式，研究了示波器带宽对提取脉冲的限制，以及环境干扰的影响。对脉冲的傅里叶解析变换进行分析，以识别时域和频域相关参数。由于在传感器之后没有进一步的附加放大器或信号调理级，因此结果表示由示波器输入阻抗收集的未滤波信号形状。结论提出了指导方针和设计权衡有关仪器和前置放大器的设计。

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Impact of oscilloscope connections and bandwidth on signal formation from a SiPM coupled to a LYSO scintillator for gamma spectroscopy

This article explores the signal produced by a silicon photomultiplier (SiPM) coupled to a LYSO scintillator in gamma spectroscopy using time and frequency-domain measurements with an oscilloscop. Analyses were performed to address the influence of coaxial cables and oscilloscope probes in the measurements. Limitations of the oscilloscopes bandwidth on the extracted pulses were studied, as well as investigation of the effect of the ambient disturbances, using the two types of cable connections. The analytic Fourier transform of the pulse is analyzed, to indentify the parameters correlating both time and frequency domain. Since there are no further additional amplifiers or signal conditioning stages after the sensor, the results represent the unfiltered signal shape collected by the oscilloscope input impedance. Conclusions are presented as guidelines and design trade-offs concerning the instrumentation and pre-amplifier design.

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来源期刊

Nuclear Engineering and Technology 工程技术-核科学技术

CiteScore

4.80

自引率

7.40%

发文量

431

审稿时长

3.5 months

期刊介绍： Nuclear Engineering and Technology (NET), an international journal of the Korean Nuclear Society (KNS), publishes peer-reviewed papers on original research, ideas and developments in all areas of the field of nuclear science and technology. NET bimonthly publishes original articles, reviews, and technical notes. The journal is listed in the Science Citation Index Expanded (SCIE) of Thomson Reuters. NET covers all fields for peaceful utilization of nuclear energy and radiation as follows: 1) Reactor Physics 2) Thermal Hydraulics 3) Nuclear Safety 4) Nuclear I&C 5) Nuclear Physics, Fusion, and Laser Technology 6) Nuclear Fuel Cycle and Radioactive Waste Management 7) Nuclear Fuel and Reactor Materials 8) Radiation Application 9) Radiation Protection 10) Nuclear Structural Analysis and Plant Management & Maintenance 11) Nuclear Policy, Economics, and Human Resource Development