| “日盲”紫外ICCD的信噪比 |
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| 引用本文： | 周跃,闫丰,谷勇强,邓博斯,隋永新,杨怀江.“日盲”紫外ICCD的信噪比[J].光学精密工程,2009,17(11):2712-2718. |
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| 作者姓名： | 周跃 闫丰 谷勇强 邓博斯 隋永新 杨怀江 |
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| 作者单位： | 周跃,谷勇强(中国科学院,长春光学精密机械与物理研究所,应用光学国家重点实验室,吉林,长春130033;中国科学院,研究生院,北京100039);闫丰,隋永新,杨怀江(中国科学院,长春光学精密机械与物理研究所,应用光学国家重点实验室,吉林,长春130033);邓博斯(吉林大学,电子科学与工程学院,吉林,长春130012) |
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| 基金项目： | 吉林省科技发展基金资助项目，中国科学院长春光学精密机械与物理研究所三期创新工程资助项目 |
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| 摘 要： | 分析了“日盲”紫外增强型电荷耦合装置（SBUV-ICCD）噪声的来源及特点。SBUV-ICCD工作时增益高，单光电子的响应会扩散到CCD邻近像素中去，将SBUV-ICCD作为线性时不变系统，引入单光电子冲激响应到SBUV-ICCD信噪比计算中，利用傅立叶变换原理推导出其信噪比模型。模型中采用二维高斯函数拟合SBUV-ICCD单光电子冲激响应的方法，较传统间接分析的方法3]更为简单，适用。分析了增益对SBUV-ICCD信噪比的影响，通过实验测量了在特定波长不同的辐照度条件下的信噪比，验证了该模型。
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| 关 键 词： | ICCD 信噪比 光电冲激响应 |
| 收稿时间： | 2008-11-19 |
| 修稿时间： | 2008-12-10 |
SNR of solar blind ultraviolet ICCD |
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| ZHOU Yue,YAN Feng,GU Yong-qiang,DENG Bo-si,SUI Yong-xin,YANG Huai-jiang.SNR of solar blind ultraviolet ICCD[J].Optics and Precision Engineering,2009,17(11):2712-2718. |
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| Authors: | ZHOU Yue YAN Feng GU Yong-qiang DENG Bo-si SUI Yong-xin YANG Huai-jiang |
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| Affiliation: | ZHOU Yue1,2,YAN Feng1,GU Yong-qiang1,DENG Bo-si3,SUI Yong-xin1,YANG Huai-jiang1 (1. State Key Laboratory of Applied Optics,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China,2.Graduate University of Chinese Academy of Sciences,Beijing 100039,3.College of Electronic Science and Engineering,Jilin Univericity,Changchun 130012,China) |
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| Abstract: | The noise source and characteristic of Solar Blind Ultraviolet Intensified Charge Coupled Device (SBUV-ICCD) was analyzed. When SBUV-ICCD is working, the gain will be set to so high that the single p-e (photo-electronic) response diffuses into neighbor pixels in CCD. So we made the assumption that the system of SBUV-ICCD was linear and shift invariant, imported photo-electronic pulse response into the calculation of SNR, got the module of SNR using the principle of Fourier Transformation. When calculating the p-e response, we fitted it with planar gaussian function after we measured data directly instead of traditional ways, it will be more simple and applicable. The influence of gain on SNR was analyzed. At last the module was validated when we compared SNR between the value measured practically and calculated based on the module. |
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| Keywords: | ICCD SNR Photo-Electronic Pulse Response |
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