| 国家同步辐射实验室原子分子物理光束线气体滤波器的研制、安装和调试 |
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| 引用本文： | 赵玉杰,孙月,孔蕊弘,杜琦,方文正,孙金大,单晓斌,刘付轶,盛六四,王振亚.国家同步辐射实验室原子分子物理光束线气体滤波器的研制、安装和调试[J].核技术,2009,32(8). |
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| 作者姓名： | 赵玉杰 孙月 孔蕊弘 杜琦 方文正 孙金大 单晓斌 刘付轶 盛六四 王振亚 |
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| 作者单位： | 1. 中国科学技术大学核科学技术学院国家同步辐射实验室,合肥,230029
2. 中国科学院安徽光学精密机械研究所激光光谱学开放研奔宴验室,合肥,23003 |
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| 基金项目： | 国家自然科学基金(10675112)资助 |
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| 摘 要： | 为有效消除波荡器产生的高次谐波的影响,并维持光束线及储存环超高真空环境,根据原子分子物理光束线实际情况,采用二级差分抽气系统及大抽速的差分泵设计了气体滤波器系统.调试结果表明,在滤波气氩气压强Par<1.333×103 Pa时,光束线真空度维持在<4.933×10-7Pa,高次谐波滤波率>99.975%,满足了实验要求.
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| 关 键 词： | 同步辐射 气体滤波器 高次谐波 超高真空 |
Development,installation and adjustment of gas filter system of atomic and molecular physics beamline at national synchrotron radiation laboratory |
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| ZHAO Yujie,SUN Yue,KONG Ruihong,DU Qi,FANG Wenzheng,SUN Jinda,SHAN Xiaobin,LIU Fuyi,SHENG Liusi,WANG Zhenya.Development,installation and adjustment of gas filter system of atomic and molecular physics beamline at national synchrotron radiation laboratory[J].Nuclear Techniques,2009,32(8). |
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| Authors: | ZHAO Yujie SUN Yue KONG Ruihong DU Qi FANG Wenzheng SUN Jinda SHAN Xiaobin LIU Fuyi SHENG Liusi WANG Zhenya |
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| Affiliation: | ZHAO Yujie1 SUN Yue 1 KONG Ruihong1 DU Qi1 FANG Wenzheng1 SUN Jinda 1 SHAN Xiaobin1 LIU Fuyi1 SHENG Liusi1 WANG Zhenya2 1 (National Synchrotron Radiation Laboratory,School of Nuclear Science and Technology,University of Science and Technology of China,Hefei 230029,China) 2 (Laboratory of Environmental Spectroscopy,Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Hefei 230031,China) |
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| Abstract: | A differentially pumped rare gas absorption cell has been developed to suppress high order harmonic radiation on the atomic and molecule physics beamline at National Synchrotron Radiation Laboratory.The gas filter system contained a gas absorption cell and two differential pumping systems considering the present status of atomic and molecule physics beamline.The adjustment results indicated that the pressure of Ar in the gas cell should be lower than 1.333×103 Pa while preserving the beamline vacuum to <4.933×10-7 Pa.When the pressure of Ar in the gas absorption cell was set to 1.241×103 Pa,the filter factor of gas filter system was better than 99.975%.Generally speaking,the adjustment results of the gas filter system were in agreement with the design parameters and could meet the experimental requirement very well. |
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| Keywords: | Synchrotron radiation Gas filter High harmonic radiation Ultrahigh vacuum |
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