Design of a holographic tracking module for long-range retroreflector free-space systems

被引：16

作者：

Quintana, C. ^{[1
]}

Erry, G. ^{[2
]}

Gomez, A. ^{[1
]}

Thueux, Y. ^{[2
]}

Faulkner, G. E. ^{[1
]}

O'Brien, D. C. ^{[1
]}

机构：

[1] Univ Oxford, Dept Engn Sci, Parks Rd, Oxford OX1 3PJ, England

[2] Airbus Grp Innovat, Quadrant House, Newport NP10 8FZ, Gwent, Wales

来源：

APPLIED OPTICS | 2016年 / 55卷 / 25期

基金：

英国工程与自然科学研究理事会; “创新英国”项目;

关键词：

Unmanned aerial vehicles (UAV) - Holography - Aircraft detection - Bit error rate - Optical links - Antennas;

D O I：

10.1364/AO.55.007173

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Weight reduction and low power consumption are key requirements in the next generation of unmanned aerial vehicles (UAVs). To communicate with an operator, a secured link between the UAV and a ground-based station is desirable. To realize these links, retroreflecting free-space optics is potentially attractive as it offers light weight and low complexity at the UAV. However, the base station requires a high-performance tracking module to enable a steady illumination of the UAV retroreflector. In this paper, we present the design and implementation of a tracking system, which consists of coarse tracking and holographic fine tracking modules working cooperatively. Using this system, experimental field trials were carried out by mounting a multiple-quantum-well-based modulated retroreflector on a commercial UAV. A 2 Mbps optical link was achieved with a bit error rate of similar to 2 x 10(-4) at a link range of 300 m. (C) 2016 Optical Society of America

引用

页码：7173 / 7178

页数：6

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