从光子动量传递到加速度传感
From photon momentum transfer to acceleration sensing
AI总结：
针对光悬浮加速度计传感性能动态测试的难题，提出双光束光悬浮加速度计，首次完成动态输入测试，实现$0.1μg$灵敏度与$1g$测量范围，推动其在导航等领域的实际应用。
摘要：
作为光子动量传递的典型应用，光悬浮系统以其与机械耗散、热噪声的理想隔离特性而闻名。这些特性为加速度精密传感带来了非凡潜力，已在基础物理与应用物理领域受到广泛关注。尽管已有研究报道光悬浮加速度计取得了显著性能提升，但在投入实际应用场景前，传感性能的动态测试仍是一项关键挑战。本研究提出一种双光束光悬浮加速度计，并首次开展了动态输入下的测试验证。该加速度计实现了$0.1μg$的加速度传感灵敏度与$1g$的测量范围。这些进展夯实了光悬浮加速度计在导航、智能驾驶、工业自动化等实际领域部署的潜力，搭建起实验室系统与现实应用之间的桥梁。
英文摘要：
As a typical application of photon momentum transfer, optical levitation systems are known for their ideal isolation from mechanical dissipation and thermal noise. These characters offer extraordinary potential for acceleration precision sensing and have attracted extensive attention in both fundamental and applied physics. Although considerable improvements of optical levitation accelerometers has been reported, the dynamic testing of the sensing performance remains a crucial challenge before the utilization in practical application scenarios. In this work, we present a dual-beam optical levitation accelerometer and demonstrate the test with dynamic inputs for the first time. An acceleration sensing sensitivity of $0.1μg$ and a measurement range of $ 1g$ are achieved. These advancements solidify the potential of optical levitation accelerometer for deployment in practical domains, including navigation, intelligent driving, and industrial automation, building a bridge between the laboratory systems and real-world applications.
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