A high-resolution compact optical true-time delay beamformer using fiber Bragg grating and highly dispersive fiber

被引：8
|
作者：
Gao, Xinlu [1 ,2 ]
Huang, Shanguo [2 ]
Wei, Yongfeng [2 ]
Gao, Chao [2 ]
Zhou, Jing [1 ]
Zhang, Hanyi [3 ]
Gu, Wanyi [2 ]
机构：
[1] Beijing Normal, Dept Phys, Appl Opt Beijing Area Major Lab, Beijing 100875, Peoples R China
[2] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[3] Tsinghua Univ, Dept Elect Engn, State Key Lab Integrated Optoelect, Beijing 100084, Peoples R China
来源：
OPTICAL FIBER TECHNOLOGY | 2014年 / 20卷 / 05期
基金：
中国国家自然科学基金;
关键词：
True time delay; Beamformer; Optical fiber grating; Dispersive fiber; PRISM; LINE;
D O I：
10.1016/j.yofte.2014.05.015
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A high resolution optical true-time delay (OTTD) beamformer constructed by fiber Bragg grating (FBG) and highly dispersive fiber (HDF) is presented. It can produce the true time delay with the resolution of 1 ps. Besides the proposed system has compact structure and light weight even when a large number of antenna elements are present in a practical antenna array, this is because the used FBG fibers and HDFs are short and independent of the antenna element number. Theoretical analysis and numerical simulations are made. Proof-of-concept experiment results that demonstrate the feasibility of the system are presented. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码：478 / 482
页数：5
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