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双向扫描采集卫星间激光链接,用于太空引力波探测任务

Xianda Liu¹, Yunhe Meng²

¹School of Physics and Astronomy, Sun Yat-sen University, Zhuhai 519082, China.

The Review of scientific instruments

|November 13, 2024

概括

一种用于太空引力波检测的新激光链接获取方法仅使用现有的航天器部件. 这种方法提高了效率,并取得了90%以上的成功率,并将收购时间缩短了15%.

科学领域:

太空科学太空科学
天体物理学天体物理学
光学工程是指光学工程.

背景情况:

基于太空的引力波检测依赖于分布式航天器之间的激光干涉度.
建立稳定的卫星间激光链接是这种检测的关键前提.
微型化和可靠性是航天器系统的关键考虑因素.

研究的目的:

提出一种新的,简化的激光链接获取方法,用于卫星间通信.
提高激光采集在太空任务中的效率和成功率.
为了减少对航天器中专门采集传感器和执行器的需求.

主要方法:

一种双向扫描采集策略,仅使用场辐射电推进和象限光探测器.
开发和分析一个恒定角速的阿基米德螺旋扫描引导定律.
蒙特卡洛模拟用于评估收购时间和成功率.

主要成果:

拟议的方法实现了超过90%的卫星间激光链接获取成功率.
与恒定线性速度扫描相比,恒定角速度螺旋扫描可以减少15%的采集时间.
该方法有效地消除了对额外采集传感器和执行器的需求.

结论:

简化双向扫描采集方法在太空引力波探测任务中非常有效.
恒定角速度螺旋扫描引导定律优化了采集效率和可靠性.
这种方法有助于为未来的太空观测站设计更紧,更可靠的航天器.

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