探测火箭上用于原子干涉测量的紧凑和鲁棒的二极管laser系统
A compact and robust diode laser system for atom interferometry on a sounding rocket
摘要：
我们提出了一个二极管激光系统优化的激光冷却和原子干涉测量与超冷铷原子搭载探空火箭作为一个重要的里程碑，对空间携带的量子传感器。结合微集成分布反馈（DFB）二极管激光器模块和自由空间光具座技术的系统的设计，组装和鉴定的MAIUS（微重力中的物质波干涉测量）任务的背景下。这一激光系统的体积为21升，总质量为27公斤，通过了在探空火箭上运行的所有合格测试，目前用于综合MAIUS飞行系统，产生玻色-爱因斯坦凝聚体，并根据布拉格衍射进行原子干涉测量。MAIUS有效载荷正在准备于2016年秋季发射。我们进一步报告了一个参考激光系统，包括一个铷稳定的DFB激光器，这是成功地运行在2015年4月的TEXUS 51任务。该系统在整个飞行任务期间（包括火箭的助推阶段）保持了稳定的频率，显示了高水平的技术成熟度。
英文摘要：
We present a diode laser system optimized for laser cooling and atom interferometry with ultra-cold rubidium atoms aboard sounding rockets as an important milestone towards space-borne quantum sensors. Design, assembly and qualification of the system, combing micro-integrated distributed feedback (DFB) diode laser modules and free space optical bench technology is presented in the context of the MAIUS (Matter-wave Interferometry in Microgravity) mission. This laser system, with a volume of 21 liters and total mass of 27 kg, passed all qualification tests for operation on sounding rockets and is currently used in the integrated MAIUS flight system producing Bose-Einstein condensates and performing atom interferometry based on Bragg diffraction. The MAIUS payload is being prepared for launch in fall 2016. We further report on a reference laser system, comprising a rubidium stabilized DFB laser, which was operated successfully on the TEXUS 51 mission in April 2015. The system demonstrated a high level of technological maturity by remaining frequency stabilized throughout the mission including the rocket's boost phase.
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