2016 IEEE International Frequency Control Symposium (IFCS)最新文献_第7页

A transportable calcium atomic beam optical clock 一种可移动的钙原子束光学钟

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7563535

Xiaogang Zhang, Shengnan Zhang, Zhaojie Jiang, Min Li, Haosen Shang, Fei Meng, W. Zhuang, Aimin Wang, Jingbiao Chen

{"title":"A transportable calcium atomic beam optical clock","authors":"Xiaogang Zhang, Shengnan Zhang, Zhaojie Jiang, Min Li, Haosen Shang, Fei Meng, W. Zhuang, Aimin Wang, Jingbiao Chen","doi":"10.1109/FCS.2016.7563535","DOIUrl":"https://doi.org/10.1109/FCS.2016.7563535","url":null,"abstract":"Achievement on atomic optical clock, which has reached to 10-18 level uncertainty, accelerates the research of the fundamental physics. But enormous volume size limits the application of optical clock outside the lab. Here, we report a transportable Calcium atomic beam optical clock with higher stability than general microwave clocks. In this system, we use the electron-shelving method to greatly improve the signal-to-noise of 657 nm signal. After locking, the stability of transportable Calcium atomic beam optical clock is 3.0 × 10-14 at 1 s and decreases to 2.9 × 10-15 at 200 s with continuous working time 11000 s by self-evaluation. Then we have used a 750 MHz repetition frequency optical frequency comb to transfer Calcium atomic beam optical clock frequency to microwave and compare with Hydrogen maser. The frequency stability of Calcium atomic beam optical clock versus hydrogen maser reaches to 1.62 × 10-12 at 1 s, which is close to the frequency stability of Hydrogen maser. The whole system is specially designed for robustness. Besides, a new full-sealed Calcium atomic beam vacuum system without flanges is constructed.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134629905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 8

Evaluation of the blackbody radiation shift uncertainty for NRC's strontium ion clock NRC锶离子时钟黑体辐射位移不确定度的评估

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546713

B. Jian, P. Dubé, A. Madej

引用次数: 2

Co-integration of a quartz OCXO and Si MEMS inertial sensors for improved navigational accuracy 石英OCXO和Si MEMS惯性传感器的协整，以提高导航精度

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7563590

R. Kubena, F. P. Stratton, L. Huang, R. Joyce, D. Kirby, D. Chang, Y. Yong

引用次数: 4

Chip-scale optical resonator enabled synthesizer (CORES) miniature systems for optical frequency synthesis 用于光学频率合成的芯片级光学谐振器合成器(CORES)微型系统

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546782

J. Bowers, A. Beling, D. Blumenthal, A. Bluestone, S. Bowers, T. Briles, L. Chang, S. Diddams, G. Fish, H. Guo, T. Kippenberg, T. Komljenovic, E. Norberg, S. Papp, M. Pfeiffer, K. Srinivasan, L. Theogarajan, K. Vahala, N. Volet

引用次数: 19

Square-extensional mode piezoelectric-on-silicon resonator for physical measurements of liquids 用于液体物理测量的方形拉伸型硅基压电谐振器

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546823

Abid Ali, Joshua E-Y Lee

引用次数: 2

Introduction of software-defined receivers in two-way satellite time and frequency transfer 卫星双向时频传输中软件定义接收机的介绍

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546714

Yi-Jiun Huang, Wen-Hung Tseng, Shinn-Yan Lin, Sung-hoon Yang, M. Fujieda

引用次数: 4

Thermal dynamics of cold atoms in 171Yb optical lattice clocks 171Yb光学晶格钟中冷原子的热力学

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7563584

Chengyin Han, Min Zhou, Xiaohang Zhang, Qi Gao, Yilin Xu, Peng Xu, Shangyang Li, Shuang Zhang, Xinye Xu

引用次数: 0

A review of the timing and filtering technologies in smartphones 智能手机中的定时和滤波技术综述

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546724

C. S. Lam

引用次数: 29

The study of second-order Zeeman shift of the cesium fountain clock NTSC-F1 铯喷泉钟NTSC-F1的二阶塞曼位移研究

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546817

Xinliang Wang, Jun Ruan, Dandan Liu, Yong Guan, Junru Shi, Hui Zhang, Rui Lin, Jiang Chen, Fengxiang Yu, Tao Liu, Shougang Zhang

{"title":"The study of second-order Zeeman shift of the cesium fountain clock NTSC-F1","authors":"Xinliang Wang, Jun Ruan, Dandan Liu, Yong Guan, Junru Shi, Hui Zhang, Rui Lin, Jiang Chen, Fengxiang Yu, Tao Liu, Shougang Zhang","doi":"10.1109/FCS.2016.7546817","DOIUrl":"https://doi.org/10.1109/FCS.2016.7546817","url":null,"abstract":"The second-order Zeeman shift is dominant frequency correction in cesium fountain primary frequency standard. That is evaluated based on the magnetic field distribution along atom clouds trajectory by tracking the center fringe of | F=3, mF=1>-| F=4, mF=1> transition. The correction of the second-order Zeeman shift could be calculated by Breit-Rabi formula. In the beginning of the fountain clock's operation, we could not observe the Ramsey fringes of | F=3, mF=1>-| F=4, mF=1> transition because of significant inhomogenous magnetic field. In this paper, we firstly measured the magnetic field distribution above the resonant cavity in the range of 45 cm by applying the low-frequency transition method, and to improve the flatten of magnetic map by adjusting the current of the C field coil and compensation coils. Then we evaluated the second-order Zeeman shift using the frequency of | F=3, mF=1>-| F=4, mF=1> transition. The experimental results show that the magnetic field distribution obtained by the low-frequency transition and Ramsey transition are basically the same. The second-order Zeeman shift of the C field is 54.7×10-15, and the uncertainty is 10-19 caused by the inhomogeneous C field, the uncertainty of the time-varying C field is 1.4×10-16 in 15 days.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115696984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Measurement of AM-to-PM conversion in a quartz-MEMS resonator 石英- mems谐振器中am - pm转换的测量

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546804

A. Hati, C. Nelson, D. Howe

引用次数: 1