标题： 用于空间的激光测距长基线差分原子干涉仪 显示英文标题

标题： Laser-Ranging Long Baseline Differential Atom Interferometers for Space

摘要： 高灵敏度的差分原子干涉仪在空间科学前沿的精密测量中具有前景，包括用于地球科学研究的重力场测绘和引力波探测。 我们提出了一种由激光测距干涉仪（LRI-AI）连接的双原子干涉仪的新配置，以提供两个AI参考镜位移的精确信息，并提供一种在长距离上对两个独立干涉仪激光进行相位锁定的方法，从而进一步提高长基线差分原子干涉仪的可行性。 我们表明，正确实施的LRI-AI可以实现与传统差分原子干涉仪测量系统相当的功能。 LRI-AI将原子干涉仪的激光需求以及远距离之间光学相位读出的激光需求隔离，从而能够在有限的物理尺寸和资源预算内优化可用激光功率的分配。 LRI-AI的一个独特方面还能够扩展差分信号的动态范围和最高的有效数据率。 显示英文摘要

摘要： High sensitivity differential atom interferometers are promising for precision measurements in science frontiers in space, including gravity field mapping for Earth science studies and gravitational wave detection. We propose a new configuration of twin atom interferometers connected by a laser ranging interferometer (LRI-AI) to provide precise information of the displacements between the two AI reference mirrors and a means to phase-lock the two independent interferometer lasers over long distances, thereby further enhancing the feasibility of long baseline differential atom interferometers. We show that a properly implemented LRI-AI can achieve equivalent functionality to the conventional differential atom interferometer measurement system. LRI-AI isolates the laser requirements for atom interferometers and for optical phase readout between distant locations, thus enabling optimized allocation of available laser power within a limited physical size and resource budget. A unique aspect of LRI-AI also enables extended dynamic range of differential signals and the highest possible effective data rate.