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Development of an ultrafast detector and demonstration of its oscillographic application

Development of an ultrafast detector and demonstration of its oscillographic application

作     者:Hou-Zhi Cai Qiu-Yan Luo Kai-Xuan Lin Dong Wang Jun-Kun Huang Jin-Yuan Liu Hou-Zhi Cai;Qiu-Yan Luo;Kai-Xuan Lin;Dong Wang;Jun-Kun Huang;Jin-Yuan Liu

作者机构:Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Physics and Optoelectronic EngineeringShenzhen UniversityShenzhen 518060China 

出 版 物:《Nuclear Science and Techniques》 (核技术(英文))

年 卷 期:2022年第33卷第6期

页      面:54-61页

核心收录:

学科分类:082704[工学-辐射防护及环境保护] 0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 0827[工学-核科学与技术] 0702[理学-物理学] 

基  金:supported by the Program for National Natural Science Foundation of China(NSFC)(11775147) Guangdong Basic and Applied Basic Research Foundation(Nos.2019A1515011474 and2019A1515110130) Shenzhen Science and Technology Program(Nos.JCYJ20210324095007020,JCYJ20200109105201936,and JCYJ20190808115605501)。 

主  题:Inertial confinement fusion Ultrafast diagnosis Dilation X-ray detector X-ray framing camera Microchannel plate 

摘      要:A dilation X-ray detector(DIXD)based on time dilation and microchannel plate(MCP)gated technology has been reported.The DIXD passes a driving pulse along the transmission photocathode(PC)to obtain a dilated electron signal and finally achieves a high time resolution of 12 ps.Furthermore,the waveform of the PC driving pulse can be obtained using the DIXD,and a DIXD oscillographic function can be obtained.An experiment is presented to demonstrate the DIXD oscilloscope.The waveform of the PC driving pulse from points t_(1) to t_(12) is achieved by the DIXD.The waveform agrees well with that measured by a high-speed oscilloscope with a difference of less than 6%.The maximum theoretical bandwidth of the DIXD oscilloscope is theoretically studied.The bandwidth is limited by the potential difference between the PC and mesh.When the potential difference is 3.4 kV,the theoretical limiting bandwidth is 1000 GHz.The bandwidth increases with an increase in the potential difference.

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