08/28/2024, 07:42 AM UTC
新型激光技术或将GPS替代品压缩至鞋盒大小New Laser Could Cram GPS Alternative Into a Shoebox
➀ 研究人员开发了一种新型激光系统，该系统能够将冷原子干涉仪小型化，使其可能被装入一个鞋盒大小的空间。➁ 冷原子干涉仪目前是实验室规模的设备，其灵敏度达到重力加速度的十亿分之一，未来还有可能进一步提高精度。➂ 该新型激光系统采用硅光子调制器来减小尺寸和成本，这可能使这些传感器更广泛地应用于各种场合。➀ Researchers have developed a new laser system that could miniaturize cold-atom interferometers, potentially enabling them to fit into a shoebox. ➁ Cold-atom interferometers are currently lab-scale and have sensitivities in the range of billionths of a g, with potential for even higher accuracy. ➂ The new laser system uses silicon photonic modulators to reduce size and cost, potentially making these sensors more accessible for various applications.
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