2025 01 v.45 14-20
光纤耦合间接电子探测器结构设计及其实验结果
基金项目(Foundation):
邮箱(Email):
liusl@ihep.ac.cn;
DOI:
10.13922/j.cnki.cjvst.202405011
中文作者单位:
中国科学院高能物理研究所核探测与核电子学国家重点实验室;中国科学院大学核科学与技术学院;苏州博众仪器科技有限公司;中国建筑材料科学研究总院有限公司;中建材光子科技有限公司;
摘要(Abstract):
依据透射电子显微镜中透射电子成像的特点，设计出纤维光学面板耦合CMOS相机的间接电子成像探测器，分别改变荧光粉层和铝膜的厚度，发现在相同条件下，薄荧光粉相较于厚荧光粉可以得到更亮的图像；在较小范围内，铝膜厚度的改变对图像亮度几乎无影响；考虑到微通道板对高能电子有一定的探测效率，尝试在荧光屏前放置微通道板，测试结果表明微通道板能够有效提高图像亮度，其在700 V工作电压下，荧光屏亮度较未安装微通道板的情况提高了30倍，并且微通道板能够屏蔽X射线，更换成本较低，可能是间接电子探测器的一个新选择。
关键词(KeyWords):
荧光粉;铝膜;微通道板;光纤耦合;透射电子显微镜
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参考文献
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[3]Hitchcock-DeGregori S E,Irving T C.Hugh E.Huxley:the compleat biophysicist[J].Biophysical Journal,2014,107(7):1493-1501
[4]Goldsmith C S,Miller S E.Modern uses of electron microscopy for detection of viruses[J].Clinical microbiology reviews,2009,22(4):552-563
[5]Qian J,Bian W,Guo Y,et al.TEM examination of M5zirconium alloy cladding of spent fuel rod[J].Atomic Energy Science and Technology,2024,58(1):149-156（钱进,卞伟,郭一帆,等.乏燃料棒M5锆合金包壳的透射电镜分析[J].原子能科学技术，2024,58(1):149-156(in Chinese))
[6]Guo S Q,Zhang J L,Cheng N Y,et al.In situ transmission electron microscopy study of bi-metallic alloy nanoparticles[J].Journal of Chinese Electron Microscopy Society,2022,41(4):459-471（郭思齐,张佳琳,程宁燕,等.双金属合金纳米颗粒的原位透射电镜研究[J].电子显微学报，2022,41(4):459-471 (in Chinese））
[7]Levin B D A.Direct detectors and their applications in electron microscopy for materials science[J].Journal of Physics:Materials,2021,4(4):042005
[8]McMullan G,Faruqi A R,Henderson R.Direct electron detectors[J].Methods in enzymology,2016,579:1-17
[9]Kuijper M,van Hoften G,Janssen B,et al.FEI’s direct electron detector developments:Embarking on a revolution in cryo-TEM[J].Journal of structural biology,2015,192(2):179-187
[10]Wang P P,Jia M,Tian Y Y,et al.Study on radiation-resistant characteristics of cerium/erbium co-doped optical fiber for space applications[J].Optical Fiber&Electric Cable and Their Applications,2023(6):11-13+42（王朴朴,贾明,田云云,等.空间用铈/铒共掺光纤抗辐照特性研究[J].光纤与电缆及其应用技术，2023(6):11-13+42 (in Chinese））
[11]Izumi N,Emig J,Moody J,et al.Measurement of cathode luminescence efficiency of phosphors for micro-channel plate based x-ray framing cameras[C]//Target Diagnostics Physics and Engineering for Inertial Confinement Fusion.SPIE,2012,8505:127-132
[12]Balakin V,Meshkov O,Ulianitsky V,et al.P43 for manufacturing of large area scintillating screens[J].Journal of Instrumentation,2022,17(8):P08020
[13]Wang P C,Cargill III G S.Optimization of phosphor screens for charge coupled device based detectors and7-34 keV x-rays[J].Journal of applied physics,1997,81(3):1031-1041
[14]Franken L E,Grünewald K,Boekema E J,et al.A technical introduction to transmission electron microscopy for soft-matter:Imaging,possibilities,choices,and technical developments[J].Small,2020,16(14):1906198
[15]Clarke R.CCD x-ray detectors:opportunities and challenges[J].Nuclear Instruments and Methods in Physics Research Section A:Accelerators,Spectrometers,Detectors and Associated Equipment,1994,347(1-3):529-533
基本信息:
DOI：10.13922/j.cnki.cjvst.202405011
中图分类号:TN253;TP391.41
引用信息:
[1]彭华兴,刘术林,梁晶等.光纤耦合间接电子探测器结构设计及其实验结果[J].真空科学与技术学报,2025,45(01):14-20.DOI:10.13922/j.cnki.cjvst.202405011.
基金信息: