Electronics system for the cosmic X-ray polarization detector

被引：11

作者：

Wang, Hui ^{[1
]}

Wang, Dong ^{[1
]}

Chen, Ran ^{[1
]}

Kui, Yan-Wei ^{[1
]}

Liu, Hong-Bang ^{[2
]}

Fan, Zong-Wang ^{[2
]}

Feng, Huan-Bo ^{[2
]}

Li, Jin ^{[3
]}

Liu, Jun ^{[1
]}

Liu, Qian ^{[4
]}

Chen, Shi ^{[4
]}

Yang, Yuan-Kang ^{[1
]}

Zhou, Zhuo ^{[1
]}

Li, Zi-Li ^{[5
]}

Zhou, Shi-Qiang ^{[1
]}

Fang, Ni ^{[1
]}

机构：

[1] Cent China Normal Univ, Key Lab Quark & Lepton Phys, PLAC, MOE, Wuhan 430079, Peoples R China

[2] Guangxi Univ, Sch Phys Sci & Technol, Guangxi Key Lab Relativist Astrophys, Nanning 530004, Peoples R China

[3] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China

[4] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China

[5] Huzhou Univ, Sch Sci, Huzhou 313000, Peoples R China

来源：

NUCLEAR SCIENCE AND TECHNIQUES | 2023年 / 34卷 / 05期

基金：

中国国家自然科学基金;

关键词：

X-ray polarimeter; Electronics; CubeSat; Gas pixel detector; FPGA;

D O I：

10.1007/s41365-023-01221-3

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

This study presents an electronics system for cosmic X-ray polarization detection (CXPD). The CXPD was designed as a high-sensitivity soft X-ray polarimeter with a measurement energy range of 2-10 keV carried by a CubeSat. A stable and functionally complete electronics system under power and space constraints is a key challenge. The complete CXPD elec-tronics system (CXPDES) comprises hardware and firmware. CXPDES adopts a three-layer electronic board structure based on functionality and available space. Two gas pixel detectors (GPDs) were placed on the top layer board, and CXPDES provided the GPDs with voltages up to - 4000 V. Each GPD signal was digitized, compressed, encoded, and stored before being transmitted to the ground. The CXPDES provided stable and high-speed communication based on a scheme that separated command and data transmission, and it supports the CXPDES in-orbit upgrade. In addition, environmental moni-tors, silicon photomultiplier (SiPM) triggers, power management, GPDs configuration, and mode switches were included in the overall operating logic of the CXPDES. The results obtained by testing the CXPDES showed that it satisfied all the requirements of CXPD. The CXPDES provides design experience and technological readiness for future large-area X-ray polarimetry missions.

引用

页数：12

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