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| 引用本文： | 郑灵,周艳,邓中朝,易江,李永高,李连才.˫ɫ�˲�����Զ���⼤��������ϵ�Ӧ��[J].核聚变与等离子体物理,2010,30(2):103-107. |
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| 作者姓名： | 郑灵 周艳 邓中朝 易江 李永高 李连才 |
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| 作者单位： | (?????????????о??????? 610041) |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 介绍了用于保护HL-2A装置远红外激光干涉仪探测器的双色滤波器。根据双色滤波器理论优化设计了双色滤波器的外型和结构，并首次用于HL-2A远红外激光干涉仪密度测量系统。实验结果表明，当双色滤波器长度l=0.2mm，直径d=0.23mm，孔之间的间隔s=0.33mm时，双色滤波器能够很好地隔离68GHz的ECRH波带来的干扰，并对890GHz的HCN激光波有较好的透过率。
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| 关 键 词： | 郑 灵 周 艳 邓中朝 易 江 李永高 李连才 |
| 收稿时间： | 2009-04-22 |
| 修稿时间： | 2009-11-04 |
Primary experimental results of the dichroic filters on FIR laser interferometer |
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| ZHENG Ling,ZHOU Yan,DENG Zhong-chao,YI Jiang,LI Yong-gao,LI Lian-cai.Primary experimental results of the dichroic filters on FIR laser interferometer[J].Nuclear Fusion and Plasma Physics,2010,30(2):103-107. |
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| Authors: | ZHENG Ling ZHOU Yan DENG Zhong-chao YI Jiang LI Yong-gao LI Lian-cai |
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| Institution: | (Southwestern Institute of Physics, Chengdu 610041) |
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| Abstract: | One kind of dichroic filters for protecting the detectors of FIR laser interferometer on HL-2A tokamak is introduced. The geometry of dichroic filters was optimized. The dichroic filters were used on HL-2A FIR laser interferometer system for the first time. The experimental results show that the dichroic filters can effectively isolate the interference from ECRH and make the HCN laser signals keep high transmittance. |
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| Keywords: | Dichroic filters Detectors FIR laser interferometer |
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