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| 表面等离激元晶体抑制~(88)Sr光钟中的黑体辐射频移 | |
| 引用本文： | 任铁未,常宏,张首刚,王前进,朱永元,祝世宁.表面等离激元晶体抑制~(88)Sr光钟中的黑体辐射频移[J].黄冈师范学院学报,2014(6):41-44. |
| 作者姓名： | 任铁未 常宏 张首刚 王前进 朱永元 祝世宁 |
| 作者单位： | 1. 黄冈师范学院 数理学院，湖北 黄州 438000; 中国科学院 国家授时中心时间频率基准重点实验室，陕西 西安 710600 2. 中国科学院 国家授时中心时间频率基准重点实验室,陕西 西安,710600 3. 南京大学 固体微结构国家实验室,江苏 南京,210093 |
| 基金项目： | 湖北省教育厅青年基金项目，黄冈师范学院校级重点学科项目(zdxkwl201404)。 |
| 摘 要： | 在锶原子光晶格钟中,黑体辐射效应对光钟的频率不确定度影响最为显著。利用表面等离激元晶体的滤波特性,屏蔽大部分黑体辐射能量,可以显著减少相应频移量及其涨落。通过对设计器件透射谱的分析可以测算,经滤波后的黑体辐射剩余能量约为初始能量的4.8%,则锶光钟的黑体辐射频移可减小至112.6mHz,相应不确定度约为3.6×10-18。 |
| 关 键 词： | 超冷原子 光钟 黑体辐射 等离激元 |
Restraining the Black Body shift of 88 Sr optical clocks by a Surface Plasmon Crystal |
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| REN Tie-wei,CHANG Hong,ZHANG Shou-gang,WANG Qian-jin,ZHU Yong-yuan,ZHU Shi-ning.Restraining the Black Body shift of 88 Sr optical clocks by a Surface Plasmon Crystal[J].Journal of Huanggang Normal University,2014(6):41-44. | |
| Authors: | REN Tie-wei CHANG Hong ZHANG Shou-gang WANG Qian-jin ZHU Yong-yuan ZHU Shi-ning |
| Institution: | REN Tie-wei, CHANG Hong, ZHANG Shou-gang, WANG Qian-jin, ZHU Yong-yuan, ZHU Shi-ning (College of Mathematics and Physics, H uanggang Normal University, Huangzhou 438000, Hubei, China; National Time Service Centre, Chinese Science Academic, Xi＇an 710600, Shanxi, China; National Laboratory of Solid States, Nanjing University, Nanjing 210093, Jiangsu, China) |
| Abstract: | The Black Body Radiation affects the uncertainty of the frequency of an optical clock most seriously. It can reduce the Black Body shift and its fluctuation to shield the main part of its energy by the Surface Plasmon Crystals. The transmission of this kind of filter was researched theoretically and experimentally. Then the conclusion could be obtained that the energy of the Black Body into 88Sr optical clocks is possible to be restrained to 4.8% of the original quantity, the corresponding shift and its uncertainty are reduced to 112.6mHz and 3.6× 10^-18 , respectively. |
| Keywords: | ultra-cold atom optical clock Black Body Radiation Plasmon |
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