| 基于太赫兹量子阱光电探测器的成像技术研究进展 |
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| 引用本文： | 符张龙,李锐志,李弘义,邱付成,谭智勇,邵棣祥,张真真,顾亮亮,万文坚,曹俊诚. 基于太赫兹量子阱光电探测器的成像技术研究进展[J]. 光电工程, 2020, 0(5): 1-10 |
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| 作者姓名： | 符张龙 李锐志 李弘义 邱付成 谭智勇 邵棣祥 张真真 顾亮亮 万文坚 曹俊诚 |
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| 作者单位： | 中国科学院上海微系统与信息技术研究所太赫兹固态技术重点实验室;中国科学院大学;上海理工大学光电信息与计算机学院 |
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| 基金项目： | 国家重点研发计划(2017YFF0106302);国家自然科学基金资助项目(61927813,61975225,61875220,61775229);中国科学院基础前沿科学研究项目(ZDBS-LY-JSC009);上海市青年科技英才杨帆计划(17YF1429900)资助项目。 |
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| 摘 要： | 太赫兹(THz)波对非极性材料有较好的穿透性,对生物医学组织无电离效应,因而非常适合无损检测、生物医学成像等应用。THz量子阱光电探测器(THz QWPs)具有响应速度快、响应率高、噪声等效功率低、体积小的特点。相较于其他探测器,THz QWPs作为成像系统接收器时,系统具有成像分辨率高、成像速度快、成像信噪比高、结构紧凑等优势。本文综述了基于THz QWPs的成像研究进展,并对成像系统核心指标的影响因素进行了分析和总结。采用更稳定的装置固定THz QWPs,提升器件响应速度、探测灵敏度、阵列规模,可以有效提升系统各项核心性能。
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| 关 键 词： | 太赫兹 量子阱 光电探测器 成像 |
Research progress of imaging technology based on terahertz quantum well photodetector |
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| Fu Zhanglong,Li Ruizhi,Li Hongyi,Qiu Fucheng,Tan Zhiyong,Shao Dixiang,Zhang Zhenzhen,Gu Liangliang,Wan Wenjian,Cao Juncheng. Research progress of imaging technology based on terahertz quantum well photodetector[J]. Opto-Electronic Engineering, 2020, 0(5): 1-10 |
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| Authors: | Fu Zhanglong Li Ruizhi Li Hongyi Qiu Fucheng Tan Zhiyong Shao Dixiang Zhang Zhenzhen Gu Liangliang Wan Wenjian Cao Juncheng |
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| Affiliation: | (Key Laboratory of Terahertz Solid-State Technology,Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences,Shanghai 200050,China;University of Chinese Academy of Science,Beijing 100049,China;School of Optical-Electrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China) |
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| Abstract: | Terahertz(THz)waves have a good transmissivity through non-polar materials,and have no ionization effects on biomedical tissues.Therefore,it is ideal for the applications such as non-destructive testing and biomedical imaging.The imaging system based on THz quantum well photodetectors(THz QWPs)has higher imaging resolution,faster imaging speed,higher signal-to-noise ratio,and more compact structure than the imaging systems based on other detectors,as the THz QWPs have fast response,high responsivity,low noise equivalent power,and tiny size.This paper reviews the research progress of the imaging technology based on THz QWPs.And the factors affecting the core indicators of the imaging system are analyzed and summarized.Using more stable fixtures to mount the THz QWPs,improving the device response speed,detection sensitivity,array size,can improve the key performance of imaging systems effectively. |
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| Keywords: | terahertz quantum well photodetectors imaging |
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