| 超分辨太赫兹波频谱仪系统 |
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| 引用本文： | 魏白光,袁慧,赵跃进,张存林.超分辨太赫兹波频谱仪系统[J].中国激光,2019(6):316-321. |
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| 作者姓名： | 魏白光 袁慧 赵跃进 张存林 |
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| 作者单位： | 吉林化工学院教务处;Physikalisches |
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| 基金项目： | 吉林化工学院项目(2018016) |
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| 摘 要： | 基于光学干涉理论,提出了一种超分辨太赫兹波频谱仪系统。干涉系统采用的是自主研制的宽带氮化镓阵列探测器,用于信号的多点同时探测。所提出的太赫兹波频谱仪具有较高的精度,可实现超分辨。利用阵列探测器得到的二维强度分布,可以测定待测光源的光束质量。利用倍频链发射源产生的470~720GHz连续太赫兹波对频谱仪进行验证。在75mm探测距离下,频谱仪的频谱分辨率为100MHz,测量精度为0.1%,该精度是相同探测距离下分辨极限及精度的20倍。
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| 关 键 词： | 测量 太赫兹 频谱仪 干涉 超分辨 |
Super-Resolution Terahertz Wave Spectrometer |
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| Wei Baiguang,Yuan Hui,Zhao Yuejin,Zhang Cunlin.Super-Resolution Terahertz Wave Spectrometer[J].Chinese Journal of Lasers,2019(6):316-321. |
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| Authors: | Wei Baiguang Yuan Hui Zhao Yuejin Zhang Cunlin |
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| Affiliation: | (Office of Academic Affairs,Jilin Institute of Chemical Technology,Jilin,Jilin 132022,China;Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology,School of Optoelectronics,Beijing Institute of Technology,Beijing 100081,China;Key Laboratory of Terahertz Optoelectronics,Ministry of Education of China,Department of Physics,Capital Normal University,Beijing 100048,China) |
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| Abstract: | Wei Baiguang;Yuan Hui;Zhao Yuejin;Zhang Cunlin(Office of Academic Affairs,Jilin Institute of Chemical Technology,Jilin,Jilin 132022,China;Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology,School of Optoelectronics,Beijing Institute of Technology,Beijing 100081,China;Key Laboratory of Terahertz Optoelectronics,Ministry of Education of China,Department of Physics,Capital Normal University,Beijing 100048,China) |
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| Keywords: | measurement terahertz spectroscopy interference super-resolution |
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