用于便携式量子技术的高性能增材制造原子光谱仪
High-performance, additively-manufactured atomic spectroscopy apparatus for portable quantum technologies
摘要：
我们展示了一个简化的和高度鲁棒的系统，用于对基于冷原子的量子技术所需的三个频率的热原子蒸气进行无多普勒光谱学。增材制造技术的应用，以及光学元件的有效使用，产生了一个紧凑，稳定的光学系统，体积为0.089 L，重量为120 g。该设备的体积不到传统光谱系统的十分之一，成本也大大低于传统光谱系统，而且还具有出色的抗环境干扰的稳定性。我们测试了该系统对10 - 30 $^{\circ}$ C环境温度变化的响应，并暴露于0 - 2000 Hz之间的振动，发现该系统可以可靠地进行光谱测量，尽管有大量的振动噪声和温度变化。我们的研究结果表明，3D打印光学系统是便携式量子技术的绝佳解决方案。
英文摘要：
We demonstrate a miniaturised and highly robust system for performing Doppler-free spectroscopy on thermal atomic vapour for three frequencies as required for cold atom-based quantum technologies. The application of additive manufacturing techniques, together with efficient use of optical components, produce a compact, stable optical system, with a volume of 0.089 L and a weight of 120 g. The device occupies less than a tenth of the volume of, and is considerably lower cost than, conventional spectroscopic systems, but also offers excellent stability against environmental disturbances. We characterise the response of the system to changes in environmental temperature between 10 and 30$^{\circ}$C and exposure to vibrations between 0 - 2000 Hz, finding that the system can reliably perform spectroscopic measurements despite substantial vibrational noise and temperature changes. Our results show that 3D-printed optical systems are an excellent solution for portable quantum technologies.
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