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

页码：478 / 482

页数：5

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