| 用于电离层探测的远紫外成像光谱仪研究 |
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| 引用本文： | 于磊,王淑荣,林冠宇,于向阳,汪龙祺.用于电离层探测的远紫外成像光谱仪研究[J].仪器仪表学报,2011,32(5). |
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| 作者姓名： | 于磊 王淑荣 林冠宇 于向阳 汪龙祺 |
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| 作者单位： | 1. 中国科学院长春光学精密机械与物理研究所,长春,130033;中国科学院研究生院,北京,100039
2. 中国科学院长春光学精密机械与物理研究所,长春,130033 |
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| 摘 要： | 电离层成像探测一直是我国大气遥感的一个薄弱环节.根据大气成像光谱探测原理,针对应用要求设计和研制了电离层探测成像光谱仪原理样机.样机采用一片离轴抛物镜与改进的Czerny-Turner光谱仪匹配的光学结构形式,工作波段为120～180 nm的远紫外波段.探测器选用了接收平面为微通道板(MCP)的光子计数型楔形阳极位敏探测器,在真空下实现对远紫外波段的探测.样机质量6.8 kg,体积360 mm×210 mm×250 mm.利用实验室真空系统与氘灯搭建了样机检测系统,获得了样机的基本性能参数.与国外方案结果对比表明,样机光谱分辨率为2.4 nm,空间分辨率75 μm,对应地面分辨率约0.6 km,除传输效率略低外,其他各项指标均接近或达到先进水平,该成果对空间和大气遥感具有重要的研究和应用价值.
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| 关 键 词： | 电离层 成像探测 光谱仪 光学设计 原理样机 分辨率 |
Study on far ultraviolet imaging spectrometer for ionosphere detection |
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| Yu Lei,Wang Shurong,Lin Guanyu,Yu Xiangyang,Wang Longqi.Study on far ultraviolet imaging spectrometer for ionosphere detection[J].Chinese Journal of Scientific Instrument,2011,32(5). |
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| Authors: | Yu Lei Wang Shurong Lin Guanyu Yu Xiangyang Wang Longqi |
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| Affiliation: | Yu Lei1,2,Wang Shurong1,Lin Guanyu1,Yu Xiangyang1,Wang Longqi1(1 Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China,2 Graduate School of the Chinese Academy of Sciences,Beijing 100039,China) |
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| Abstract: | Ionosphere imaging detection is one of the weak points in the studies of our atmospheric remote sensing.An ionosphere imaging spectrometer prototype was designed and manufactured,which aims at the application requirement and is based on the principle of atmospheric sounding.The prototype works in the waveband of 120~180 nm,consists of an off-axis parabolic mirror and a modified Czerny-Turner spectral imaging system.The receiving plane of the photon counting Wedge-Strip-Anode(WSA) detector is micro-channel p... |
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| Keywords: | ionosphere imaging detection spectrometer optical design prototype resolution |
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