Wide-field-of-view rapid acquisition and tracking control for portable optical communication systems

IF 2.2 3区 物理与天体物理 Q2 OPTICS
Xuan Wang , Xiangsheng Meng , Junfeng Han , Chen Wang , Yinghong He
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引用次数: 0

Abstract

Optical communication technology has been extensively applied in long-distance space communication due to its numerous advantages. With the advancement of CubeSat technology, portable optical communication systems have also emerged. When applied to ground-based scenarios, this technology can effectively support emergency high-speed communication in environments where radio frequencies are unavailable or restricted. However, its primary limitation lies in the rapid acquisition of wide-field-of-view laser links. To address this challenge, we propose a compact coaxial transceiver design for a portable optical communication terminal, utilizing Micro-Electro-Mechanical Systems (MEMS) micromirrors and a Quadrant Detector (QD). Furthermore, we developed a QD spot position deviation rapid acquisition algorithm for quickly determining the laser spot position on the QD. This represents a novel and efficient technique for achieving fast and precise large-area acquisition and tracking control. Experimental results demonstrate that the proposed portable optical communication terminal is capable of rapid deployment and efficient laser link acquisition, completing acquisition within 83 s over a distance of 506 m, within a 60° × 40° field of view. These findings mark a significant advancement toward the practical application of ground-based portable optical communication technology.
便携式光通信系统的大视场快速采集与跟踪控制
光通信技术以其众多的优点在远距离空间通信中得到了广泛的应用。随着立方体卫星技术的进步,便携式光通信系统也出现了。当应用于地面场景时,该技术可以在无线电频率不可用或受限制的环境中有效地支持紧急高速通信。然而,它的主要限制在于宽视场激光链路的快速获取。为了解决这一挑战,我们提出了一种紧凑的同轴收发器设计,用于便携式光通信终端,利用微机电系统(MEMS)微镜和象限检测器(QD)。此外,我们开发了一种快速获取量子点光斑位置偏差的算法,用于快速确定激光光斑在量子点上的位置。这为实现快速、精确的大面积采集和跟踪控制提供了一种新颖有效的技术。实验结果表明,该便携式光通信终端具有快速部署和高效的激光链路采集能力,在60°× 40°视场范围内,在506 m距离内,在83 s内完成采集。这些发现标志着地面便携式光通信技术的实际应用取得了重大进展。
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来源期刊
Optics Communications
Optics Communications 物理-光学
CiteScore
5.10
自引率
8.30%
发文量
681
审稿时长
38 days
期刊介绍: Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.
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