基于MEMS微镜的微激光通信终端的光束扫描和捕获
Xuan Wang1,2, Junfeng Han1,2, Chen Wang1,2
1Key Laboratory of Space Precision Measurement Technology, Chinese Academy of Sciences, Xi'an 710119, China.
Micromachines
|July 29, 2023
概括
一个新的微电子机械系统 (MEMS) 微镜模型通过改进扫描和捕获来增强卫星激光通信. 这提高了卫星互联网星座的可靠性,尽管有指向不准确和微振动.
科学领域:
- 太空光学通信 太空光学通信
- 卫星技术 卫星技术 卫星技术
- 微电子机械系统 (MEMS) 是一种微电子机械系统.
背景情况:
- 对于卫星互联网星座的微型激光通信终端的需求日益增长.
- 微型终端需要更小,更高效的驱动组件用于轨道上扫描和捕获.
- 激光通信终端对初始定向精度和卫星微振的敏感性.
研究的目的:
- 为微型激光通信终端提出一种新的激光扫描捕获模型.
- 为了应对尺寸,重量和功率 (SWaP) 约束的挑战.
- 提高卫星激光通信网络的可靠性和效率.
主要方法:
- 使用微电子机械系统 (MEMS) 微镜的激光扫描捕获模型的开发.
- 实施扫描重叠因子,以提高捕获概率.
- 实验分析以验证拟议模型的有效性.
主要成果:
- 基于MEMS的模型提供快速,大规模的扫描分析.
- 扫描重叠因子在微振动条件下显著提高了捕获概率.
- 实验结果证实了该模型在解决指针精度和微振问题方面的有效性.
结论:
- 拟议的激光扫描捕获模型为未来的超长距离微空间激光通信提供了可行的解决方案.
- 它为开发强大高效的激光通信终端奠定了理论基础.
- 该模型有助于卫星互联网星座和基于太空的通信网络的发展.
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