| 基于磁光开关的高精度光实时延时线 |
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| 引用本文： | 史双瑾,邱琪,苏君,邱志成,廖云. 基于磁光开关的高精度光实时延时线[J]. 强激光与粒子束, 2009, 21(9) |
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| 作者姓名： | 史双瑾 邱琪 苏君 邱志成 廖云 |
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| 作者单位： | 电子科技大学,光电信息学院,成都,610054;电子科技大学,光电信息学院,成都,610054;电子科技大学,光电信息学院,成都,610054;电子科技大学,光电信息学院,成都,610054;电子科技大学,光电信息学院,成都,610054 |
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| 摘 要： | 给出了基于高速磁光开关的光实时延时技术的方案。研究了拓扑结构和磁光开关对光延时性能的影响。研制了5 bit,32位的光实时延时系统,并建立了光延时的测试平台,经测试,延时线延时精度优于3 ps。对光延时单元插损进行测试,结果显示:32态单元插损为0.12~0.88 dB,各态变化呈随机性。
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| 关 键 词： | 光纤实时延时线 磁光开关 拓扑结构 插入损耗 |
| 收稿时间： | 1900-01-01; |
High performance optical true time delay line based on magneto-optic switch |
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| Shi Shuangjin,Qiu Qi,Su Jun,Qiu Zhicheng,Liao Yun. High performance optical true time delay line based on magneto-optic switch[J]. High Power Laser and Particle Beams, 2009, 21(9) |
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| Authors: | Shi Shuangjin Qiu Qi Su Jun Qiu Zhicheng Liao Yun |
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| Affiliation: | Institute of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China |
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| Abstract: | The optical true time delay scheme based on magneto-optic(MO) switch was analyzed, and optical and electrical features of MO switch were discussed. The advantages and disadvantages of different topologies were analyzed, i.e. bypass structure and differential structure. A method for measuring optical delay with high precision and high efficiency was put forward. A 5 bit optical delay line system based on MO switch and fiber was set up, and the maximal delay error was less than 3 ps. The test of optical delay units shows that the insertion loss of 32 delay states ranges from 0.12 dB to 0.88 dB at a temperature of 0 to 40 ℃. |
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| Keywords: | magneto-optic switch topology insertion loss |
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